Unit8 重点语法专练-2024-2025学年八年级英语下册重难点提优训练（人教版）

2024-2025学年八年级英语下册重难点提优训练（人教版） Unit8 重点语法专练 现在完成时 1.现在完成时的用法 (1) 定义：表示过去发生或已经完成的动作对现在造成的影响或结果；或表示过去某一时间开始并一直持续到现在的动作或状态(有可能持续下去)。如： It has just snowed. 刚刚下过雪。(地上有积雪) She has taught in the school for ten years. 她在这所学校教书已经 10 年了。（有可能继续教下去） (2) 谓语动词：have / has+过去分词 (3) 时间标志词：for+时间段，since+表示过去的时间点，already(用于肯定句中),yet(用于否定句和疑问句中)，just，before，recently，still，lately，these years，up to now，so far，in / over / during the last / past few months等。 2. 现在完成时的句式变化 句  式 结  构 举  例 肯定句 主语，have /has,过去分词，其他. He has had dinner.他吃过晚饭了。 否定句 主语+haven't/hasn't +过去分词+其他. He hasn't had dinner.他还没有吃晚饭。 一般疑问句 Have/Has+主语+过去分词+其他? 肯定回答：Yes,主语+have/has. 否定回答：No,主语+haven't/hasn't. —Has he had dinner?他吃过晚饭了吗? —Yes,he has.是的，他吃过了。 —No,he hasn't.不，他还没吃。 3. 过去分词的变化规则 （1）规则动词的过去分词构成与其过去式的构成相同 变化规则 举  例 一般情况下在词尾加-ed help→helped→helped 以不发音的e结尾的，加-d decide→decided→decided 末尾只有一个辅音字母的重读闭音节单词，双写该辅音字母再加-ed stop→stopped→stopped 以"辅音字母+y"结尾的，变y为i,再加- ed carry→carried→carried 语法专练 一、单项选择 1．—I can’t find my keys. I’m sure I ________ them somewhere in the house. —Don’t worry. Let’s look for them together. A．left B．have left C．was leaving D．leave 2．—Look! What a clean room! Who ________ it? —Jessica, I guess. She is always helpful. A．has cleaned B．is cleaning C．will clean D．cleaned 3．―Would you like ________ some more food? ―No, thanks. I ________ enough. A．to have; have B．have; had C．to have; have had D．to have; had had 4．Ted’s father is a famous ________. He ________ many modern tools so far. A．invention; invents B．inventor; has invented C．invention; invented D．inventor; invents 5．In the past several years, I ________ several ways to deal with my insomnia (失眠) but none of them ________. A．tried; works B．have tried; succeeds C．tried; succeeds D．have tried; works 6．－________ you seen the movie Gone with the Wind? －No, never. A．Do B．Can C．Have D．Has 7．—Why won’t you go to see the film with me, Betty? —Because I ________ it twice. A．see B．saw C．have seen D．will see 8．—Where is Mr. Miller? I haven’t seen him for several days. —He ________ to Shanghai. He will come back in two days. A．went B．has gone C．will go 9．—How long ________ they ________? —Sorry, I don’t know. But I know that Peter is going to ________ a nurse next week. A．did, marry; marry to B．did, get married; marry with C．have, got married; marry D．have, been married; marry 10．—Have you ________ been to France? —No, ________. A．ever; never B．never; ever C．ever; ever D．never; never 11．—________ you ever ________ to Chengdu Research Base? —No, never. But I plan to visit it this summer. A．Did; go B．Have; been C．Are; going 12．________ you ever ________ UFOs? A．Have; seen B．Did; see C．Will; see D．Do; see 13．—Have you ________ been to Nanjing, Han Mei? —No, never. I plan to go there this summer holiday. A．ever B．still C．yet D．already 14．—________ you ever ________ the new library? —No, I haven’t. A．Do; visit B．Have; visited C．Did; visit D．Are; visiting 15．I ________ think he ________ ever visited the island. A．/; hasn’t B．don’t; was C．don’t; has D．don’t; will 16．Have you________been to the UK? A．just B．ever C．once D．yet 17．What’s the best gift John __________ ever received? A．have B．has C．had D．having 18．—Have you ever been to an aquarium? —No, ________. A．I have B．I am not C．I haven’t D．I hasn’t 19．— ________ you ever ________ to Shanghai? — No, never. A．Haven’t; arrived B．Hasn’t; arrived C．Didn’t; arrived D．Have; been 20．—Have you _________ visited the Great Wall? —No, _________. A．already; ever B．ever; never C．never; ever D．ever; yet 21．—________ you ever ________ that new film? —Yes. I ________ it a week ago. A．Have; seen; saw B．Have; seen; see C．Do; see; see 22．Mike’s parents are Germans, but he ________ to Germany so far. A．never went B．never go C．has never been D．will never go 23．—Have you written anything on Chinese traditional food so far? —_________, but I have a plan for it. A．Ever since B．Later on C．Not yet D．From now on 24．Lucy, have your parents ever ________ to England? A．been B．gone C．went D．will go 25．―Have you given the books back to the library ________ ? ―Yes, I have ________ given them back. A．yet; yet B．ever; already C．already; yet D．yet; already 26．—________ you ________ of the International Museum of Toilets in India yet? — No, not yet. A．Has; heard B．Have ; heard C．Did; hear D．Do; hear 27．If you ________ it, put up your hands and let me know. A．were finishing B．will finish C．have finished D．are finishing 28．一I hear your father _______ to Japan once. 一Yes. He ________ there a year ago. A．went; has been B．has been; went C．goes; went D．has been; has been 29．I ________ the documentary A Plastic Ocean several times so far. A．watched B．watch C．have watched D．will watch 30．These young men ________ to Xizang many times. A．are B．were C．have gone D．have been 二、按要求完成句子 1．Sam has already turned off the light in his room.(改为否定句) Sam off the light in his room . 2．My father has taken the cat to the animal hospital.(改为一般疑问句) the cat to the animal hospital? 3．Tim has decided to play the piano in the art show.(对画线部分提问) Tim to do in the art show? 4．Have you had your dinner?(作否定回答) , . 5．This is the first time for Emily and her sister to visit Yantai.(改为同义句) Emily and her sister Yantai before. 6．He has already finished the work. （改为否定句） He finished the work . 7．She has already come back from Hong Kong.（改为一般疑问句） she come back from Hong Kong ? 8．I have waited for the bus for twenty minutes.（对划线部分提问） have you waited for the bus? 9．Has Tina arrived in London yet?（作否定回答） , . 10．The children have never done that before.（改为反意疑问句） The children have never done that before, ? 三、短文填空 阅读短文，用括号内所给词的正确形式填空，使短文完整、正确。 The Secret Garden is a long novel written by an American writer Burnett. This novel came out in 1911. And then it 1 (be) popular for more than 100 years already. Mary, the main character, is bad-tempered (坏脾气的) so that few children want to make friends with her. When Mary is ten, her parents die. So she 2 (move) to England and lives with her uncle’s family. In the big and dark house, she always feels lonely and sad. One day, Mary finds a key to a closed garden by accident. And her life 3 (change) a lot ever since then. She becomes more friendly to her friends and finally the friendship heals (治愈) everyone in the house. I 4 (buy) the book five years ago. It is still one of my favorites on my bookshelf. Although I 5 (read) it many times, it can still bring me wonderful feelings every time I take it up. I believe everyone has a secret garden in his heart, and we should open it and let the sunshine in when we are sad. 。 学科网（北京）股份有限公司 $$ 2024-2025学年八年级英语下册重难点提优训练（人教版） Unit8 重点语法专练 现在完成时 1.现在完成时的用法 (1) 定义：表示过去发生或已经完成的动作对现在造成的影响或结果；或表示过去某一时间开始并一直持续到现在的动作或状态(有可能持续下去)。如： It has just snowed. 刚刚下过雪。(地上有积雪) She has taught in the school for ten years. 她在这所学校教书已经 10 年了。（有可能继续教下去） (2) 谓语动词：have / has+过去分词 (3) 时间标志词：for+时间段，since+表示过去的时间点，already(用于肯定句中),yet(用于否定句和疑问句中)，just，before，recently，still，lately，these years，up to now，so far，in / over / during the last / past few months等。 2. 现在完成时的句式变化 句  式 结  构 举  例 肯定句 主语，have /has,过去分词，其他. He has had dinner.他吃过晚饭了。 否定句 主语+haven't/hasn't +过去分词+其他. He hasn't had dinner.他还没有吃晚饭。 一般疑问句 Have/Has+主语+过去分词+其他? 肯定回答：Yes,主语+have/has. 否定回答：No,主语+haven't/hasn't. —Has he had dinner?他吃过晚饭了吗? —Yes,he has.是的，他吃过了。 —No,he hasn't.不，他还没吃。 3. 过去分词的变化规则 （1）规则动词的过去分词构成与其过去式的构成相同 变化规则 举  例 一般情况下在词尾加-ed help→helped→helped 以不发音的e结尾的，加-d decide→decided→decided 末尾只有一个辅音字母的重读闭音节单词，双写该辅音字母再加-ed stop→stopped→stopped 以"辅音字母+y"结尾的，变y为i,再加- ed carry→carried→carried 语法专练 一、单项选择 1．—I can’t find my keys. I’m sure I ________ them somewhere in the house. —Don’t worry. Let’s look for them together. A．left B．have left C．was leaving D．leave 2．—Look! What a clean room! Who ________ it? —Jessica, I guess. She is always helpful. A．has cleaned B．is cleaning C．will clean D．cleaned 3．―Would you like ________ some more food? ―No, thanks. I ________ enough. A．to have; have B．have; had C．to have; have had D．to have; had had 4．Ted’s father is a famous ________. He ________ many modern tools so far. A．invention; invents B．inventor; has invented C．invention; invented D．inventor; invents 5．In the past several years, I ________ several ways to deal with my insomnia (失眠) but none of them ________. A．tried; works B．have tried; succeeds C．tried; succeeds D．have tried; works 6．－________ you seen the movie Gone with the Wind? －No, never. A．Do B．Can C．Have D．Has 7．—Why won’t you go to see the film with me, Betty? —Because I ________ it twice. A．see B．saw C．have seen D．will see 8．—Where is Mr. Miller? I haven’t seen him for several days. —He ________ to Shanghai. He will come back in two days. A．went B．has gone C．will go 9．—How long ________ they ________? —Sorry, I don’t know. But I know that Peter is going to ________ a nurse next week. A．did, marry; marry to B．did, get married; marry with C．have, got married; marry D．have, been married; marry 10．—Have you ________ been to France? —No, ________. A．ever; never B．never; ever C．ever; ever D．never; never 11．—________ you ever ________ to Chengdu Research Base? —No, never. But I plan to visit it this summer. A．Did; go B．Have; been C．Are; going 12．________ you ever ________ UFOs? A．Have; seen B．Did; see C．Will; see D．Do; see 13．—Have you ________ been to Nanjing, Han Mei? —No, never. I plan to go there this summer holiday. A．ever B．still C．yet D．already 14．—________ you ever ________ the new library? —No, I haven’t. A．Do; visit B．Have; visited C．Did; visit D．Are; visiting 15．I ________ think he ________ ever visited the island. A．/; hasn’t B．don’t; was C．don’t; has D．don’t; will 16．Have you________been to the UK? A．just B．ever C．once D．yet 17．What’s the best gift John __________ ever received? A．have B．has C．had D．having 18．—Have you ever been to an aquarium? —No, ________. A．I have B．I am not C．I haven’t D．I hasn’t 19．— ________ you ever ________ to Shanghai? — No, never. A．Haven’t; arrived B．Hasn’t; arrived C．Didn’t; arrived D．Have; been 20．—Have you _________ visited the Great Wall? —No, _________. A．already; ever B．ever; never C．never; ever D．ever; yet 21．—________ you ever ________ that new film? —Yes. I ________ it a week ago. A．Have; seen; saw B．Have; seen; see C．Do; see; see 22．Mike’s parents are Germans, but he ________ to Germany so far. A．never went B．never go C．has never been D．will never go 23．—Have you written anything on Chinese traditional food so far? —_________, but I have a plan for it. A．Ever since B．Later on C．Not yet D．From now on 24．Lucy, have your parents ever ________ to England? A．been B．gone C．went D．will go 25．―Have you given the books back to the library ________ ? ―Yes, I have ________ given them back. A．yet; yet B．ever; already C．already; yet D．yet; already 26．—________ you ________ of the International Museum of Toilets in India yet? — No, not yet. A．Has; heard B．Have ; heard C．Did; hear D．Do; hear 27．If you ________ it, put up your hands and let me know. A．were finishing B．will finish C．have finished D．are finishing 28．一I hear your father _______ to Japan once. 一Yes. He ________ there a year ago. A．went; has been B．has been; went C．goes; went D．has been; has been 29．I ________ the documentary A Plastic Ocean several times so far. A．watched B．watch C．have watched D．will watch 30．These young men ________ to Xizang many times. A．are B．were C．have gone D．have been 二、按要求完成句子 1．Sam has already turned off the light in his room.(改为否定句) Sam off the light in his room . 2．My father has taken the cat to the animal hospital.(改为一般疑问句) the cat to the animal hospital? 3．Tim has decided to play the piano in the art show.(对画线部分提问) Tim to do in the art show? 4．Have you had your dinner?(作否定回答) , . 5．This is the first time for Emily and her sister to visit Yantai.(改为同义句) Emily and her sister Yantai before. 6．He has already finished the work. （改为否定句） He finished the work . 7．She has already come back from Hong Kong.（改为一般疑问句） she come back from Hong Kong ? 8．I have waited for the bus for twenty minutes.（对划线部分提问） have you waited for the bus? 9．Has Tina arrived in London yet?（作否定回答） , . 10．The children have never done that before.（改为反意疑问句） The children have never done that before, ? 三、短文填空 阅读短文，用括号内所给词的正确形式填空，使短文完整、正确。 The Secret Garden is a long novel written by an American writer Burnett. This novel came out in 1911. And then it 1 (be) popular for more than 100 years already. Mary, the main character, is bad-tempered (坏脾气的) so that few children want to make friends with her. When Mary is ten, her parents die. So she 2 (move) to England and lives with her uncle’s family. In the big and dark house, she always feels lonely and sad. One day, Mary finds a key to a closed garden by accident. And her life 3 (change) a lot ever since then. She becomes more friendly to her friends and finally the friendship heals (治愈) everyone in the house. I 4 (buy) the book five years ago. It is still one of my favorites on my bookshelf. Although I 5 (read) it many times, it can still bring me wonderful feelings every time I take it up. I believe everyone has a secret garden in his heart, and we should open it and let the sunshine in when we are sad. 参考答案 一、 1．B 【详解】句意：——我找不到我的钥匙，我确定我已经把它们落在家里某个地方了。——别担心，让我们一起找。 考查时态。根据“I can’t find my keys.”可知，钥匙落在了某个地方，造成的影响就是现在找不到，故用现在完成时，表示过去的动作对现在产生的影响；现在完成时的结构是have/has done。故选B。 2．A 【详解】句意：——看！多么干净的一个房间啊！谁打扫了它？ ——我猜是杰西卡。她总是乐于助人。 考查动词时态。根据“What a clean room!”可知，房间现在是干净的，而“打扫”这个动作发生在过去，并且其结果“房间干净”持续到了现在，所以句子时态应用现在完成时。故选A。 3．C 【详解】句意：——你想再吃点东西吗？——不了，谢谢。我已经吃饱了。 考查非谓语动词和时态。would like to do sth“想要做某事”，固定搭配，故第一个空应用动词不定式作宾语；第二个空，表示“我已经吃饱了”，应为现在完成时。故选C。 4．B 【详解】句意：Ted的爸爸是有名的发明家。他到目前为止发明了很多现代工具。 考查名词和动词用法。invention发明；inventor发明家；invent发明，动词。第一个空“a”后接可数名词单数，主语是father，名词应该用inventor，根据“so far”可知， 第二句时态用现在完成时，谓语动词构成是has done。故选B。 5．D 【详解】句意：在过去的几年里，我尝试了几种方法来解决我的失眠，但都没有奏效。 考查动词时态和动词辨析。tried尝试，动词过去式；have tried已经尝试，现在完成时；works工作，一般现在时的单三形式；succeeds成功，一般现在时的单三形式。根据“In the past several years”可知，第一空时态用现在完成时：have/has done；且第二空根据“... several ways to deal with my insomnia but none of them…”可知，应是没有一种方法有效，work“奏效，起作用”符合题意。故选D。 6．C 【详解】句意：——你看过电影《乱世佳人》吗？——没有，从没看过。 考查现在完成时态。根据谓语动词“seen”可知，此处需用助动词have或has和seen构成现在完成时，因为主语是you，为第二人称，所以用have。故选C。 7．C 【详解】句意：——为什么你不和我一起去看电影，Betty？——因为我看过两次了。 考查时态。根据“twice”可知，因为看过两次，所以不去看电影。此处表示过去的动作对现在的影响，应用现在完成时。故选C。 8．B 【详解】句意：——米勒先生在哪里？我已经好几天没见到他了。——他去上海了。他将在两天后回来。 考查现在完成时。根据“He will come back in two days.”可知，米勒先生去了上海还没回来，表示过去的动作对现在造成的影响，应用现在完成时。故选B。 9．D 【详解】句意：——他们结婚多久了？——对不起，我不知道。但是我知道皮特下个月将会娶一名护士。 考查动词时态。marry“结婚”，动词；marry sb表示“嫁/娶某人”；get married表示“结婚”。根据“How long”可知表示“多长时间”，常和现在完成时连用，且谓语动词应是延续性动词，marry是短暂性动词，其对应的持续性动词是be married；空二指“下个月皮特将要娶一名护士”，be going to do“打算做某事”。故选D。 10．A 【详解】句意：——你曾经去过法国吗？——没有，从来没有。 考查副词。ever曾经，常与现在完成时连用，表示某个动作或状态是否曾经发生过；never从未。分析句子可知，第一空表示“曾经”；第二空表示“从未去过”。故选A。 11．B 【详解】句意：——你去过成都研究基地吗？——不，从来没有。但我计划今年夏天去参观那里。 考查时态。根据“ever”及答语“No, never. But I plan to visit it this summer.”可知，此处指过去的动作对现在造成影响，应用现在完成时。故选B。 12．A 【详解】句意：你曾经看过UFO吗？ 考查动词时态。根据ever可知，句子应用现在完成时，故选A。 13．A 【详解】句意：——韩梅，你去过南京吗？——没有，从来没有。我计划这个暑假去那里。 考查副词辨析。ever曾经；still仍然；yet仍然，还；already已经。根据“Have you ... been to Nanjing, Han Mei?”可知，此处指是否曾去过南京，一般疑问句中用ever。故选A。 14．B 【详解】句意：——你曾参观过这个新图书馆吗？——不，我没有。 考查动词时态。根据“No, I haven’t.”可知，问句是助动词have引导的一般疑问句，时态是现在完成时，结构是have done。故选B。 15．C 【详解】句意：我想他从未去过那个岛。 考查宾语从句否定转移及时态。根据“ever”可知，从句要用现在完成时，主句是I think，从句表示否定要用否定转移，即否定要转移到主句上，故选C。 16．B 【详解】句意：你去过英国吗？ 考查副词。just刚刚；ever曾经；once一次，yet还。根据句意可知，这里表示你“曾经”去过英国吗，所以是ever。故选B。 17．B 【详解】句意：约翰收到过最好的礼物是什么？ 考查动词时态。根据“ever”可知，本句是现在完成时(have/has done)，主语John是单数，助动词用has。故选B。 18．C 【详解】句意：——你去过水族馆吗？——不，我没有。 考查现在完成时答语。根据问句“Have you ever been to an aquarium?”可知，问句是现在完成时，其否定回答中要用haven’t/hasn’t，因为主语是I，所以要用haven’t，故选C。 19．D 【详解】句意：——你去过上海吗？——不，从来没有。 考查时态及动词辨析。根据问句中的ever可知，问句为现在完成时，其结构为“have/has+动词过去分词”，主语为you，助动词用have，排除选项B和C；动词arrive后面跟介词at或in，排除选项A；have been to意为“去过……”，结合语境，故选D。 20．B 【详解】句意：——你曾经参观过长城吗？——没有，从来没有。 考查副词辨析。ever曾经，用于否定句和疑问句中，放句中；already早已，已经，用于肯定句中；never从不；yet仍，还，用于否定句中，用于句末。因为上句为疑问句，故可排除A。又因为第二个空前为“No”，可推测空后要表达从没去过，即用never。故选B。 21．A 【详解】句意：——你曾经看过那场新电影吗？——是的，一周前看的。 考查现在完成时和一般过去时。see“看”，过去式saw，过去分词seen，“ever”是现在完成时的标志词，排除C，“a week ago”是一般过去时的标志词，排除B，故选A。 22．C 【详解】句意：迈克的父母是德国人，但到目前为止他从未去过德国。 考查现在完成时。根据句意可知，此处表示“从未去过德国”；根据时间状语“so far”可知，此句为现在完成时态，结构为“has/have+动词的过去分词”，主语为第三人称单数“he”，助动词用“has”，“has never been to”表示“从未去过某地”。故选C。 23．C 【详解】句意：——到目前为止，你写过关于中国传统食物的文章吗？——还没有，但我有个计划。 考查情景交际。Ever since 从那以后；Later on后来； Not yet还没有；From now on从现在开始。由答语后半句“but I have a plan for it”可知，还没有写过有关中国传统食物的文章，但是有个计划，故选C。 24．A 【详解】句意：露西，你父母去过英国吗？ 考查现在完成时辨析。ever曾经，多用于现在完成have done结构，可排除CD两项；have been to曾经去过某地，指现在已不在那里了，可接次数或和 just, never, ever等连用；have gone to到某地去，说话时该人不在现场；结合语境，这里是问露西的父母曾经去过英国没有，需用have been to England。故选A。 25．D 【详解】句意：你已经把书还给图书馆了吗？——是的，我已经把它们都归还了。 考查副词辨析。yet还，已经，常用于现在完成时否定句和疑问句句末；ever曾经；already已经，常用于现在完成时肯定句中。第一句为现在完成时疑问句句末，应用yet，询问已经归还了没有；第二句为现在完成时肯定句中，应用already，表示已经归还；ever表示“曾经”，不符合语境。故选D。 26．B 【详解】句意：——你听说过印度的国际厕所博物馆吗？——不，没有听过。 考查动词时态。根据答语“No, not yet”可判断问句要用现在完成时have/has done的结构，根据you可知，助动词用have，故选B。 27．C 【详解】句意：如果你已经完成了，请举手告诉我。 考查现在完成时。“完成”和“举手示意”存在先后关系，所以从句应用现在完成时“have/has+done”，表示已完成的动作对现在的影响，“已经完成了”才能“举手告诉我”。故选C。 28．B 【详解】句意：——我听说你父亲曾经去过日本。——是的。他一年前去了那里。 考查动词时态。根据“once”可知，时态使用现在完成时，空格处填has been，表示曾去过日本；根据“a year ago”可知，表示发生在过去的动作，用一般过去时，go的过去式为went。故选B。 29．C 【详解】句意：到目前为止，我已经看过几次纪录片《塑料海洋》了。 考查动词的时态。根据“so far”可知，此处指过去发生的事情，对现在造成了影响，应用现在完成时have/has done。故选C。 30．D 【详解】句意：这些年轻人去过西藏许多次。 考查现在完成时。have gone to去了某地未回来；have been to去过某地。结合“many times”可知应用现在完成时，结构是：have/has done，且此处描述这些年轻人曾经去过西藏很多次，现在已经回来了，应用have been to这个结构。故选D。 二、 1． hasn’t turned yet 【详解】句意：萨姆已经把他房间里的灯关掉了。has是助动词，变为否定是用hasn’t，后接过去分词turned，already用于肯定句，否定句改为yet，将yet放在句末，故填hasn’t；turned；yet。 2． Has your father taken 【详解】句意：我爸爸带猫去了动物医院。has taken是现在完成时结构，has是助动词，变成一般疑问句将其提到句首，肯定句中的my在疑问句中改为your，其他不变，故填Has；your；father；taken。 3． What has decided 【详解】句意：蒂姆决定在艺术展上弹钢琴。划线部分表示Tim决定做的事情，对此提问用疑问词what，has是助动词，要放在疑问词后，has与过去分词decided构成现在完成时结构，故填What；has；decided。 4． No I haven’t 【详解】句意：你吃晚饭了么？have是助动词，否定回答为No, 人称代词+haven’t，疑问句中主语是you，回答用I，故填No；I；haven’t。 5． haven’t visited 【详解】句意：这是Emily和姐姐第一次来烟台。根据“This is the first time for Emily and her sister to visit Yantai.”可知，第一次来烟台，说明之前并没有来过，根据before可知，应用现在完成时have/has done的结构，and连接并列主语，助动词用have，否定用haven’t，后接过去分词visited，故填haven’t；visited。 6． hasn’t yet 【详解】句意：他已经完成了这项工作。由“He has already…”可知，原句为现在完成时态的肯定句，将其变为否定句时，需将助动词has变为hasn’t；副词already变为yet，放在句末。故填hasn’t；yet。 7． Has yet 【详解】句意：她已经从香港回来了。原句是现在完成时的结构，疑问句直接把has提到主语前，位于句首首字母要大写，原句中already改为yet，故填Has；yet。 8． How long 【详解】句意：我等公共汽车等了二十分钟了。根据划线部分“for twenty minutes”可知，应该用特殊疑问词how long“多长时间”进行提问，首字母大写，故填How；long。 9． No she hasn’t 【详解】句意：蒂娜到了伦敦了吗？否定回答的结构是“No, 主语+助动词”，原句是现在完成时，主语是Tina，否定回答的主语应用she代替，has与not缩写成hasn’t，故填No；she；hasn’t。 10． have they 【详解】句意：孩子们以前从来没有这样做过。原句是含有never的否定句，反意疑问句应用肯定形式，原句是现在完成时，主语是“The children”，反意疑问句的助动词应用have，主语应用they代替，故填have；they。 三、 1．has been 2．moves 3．has changed 4．bought 5．have read 【导语】本文主要介绍了《秘密花园》这本书的大概内容以及作者对它的喜爱。 1．句意：然后它已经流行了100多年了。根据“for more than 100 years already.”可知，本句是现在完成时，主语是单数，助动词用has。故填has been。 2．句意：所以她搬到了英国，和她叔叔一家住在一起。根据“and lives”可知，本句是一般现在时，主语是第三人称单数，动词用三单形式。故填moves。 3．句意：从那以后，她的生活发生了很大的变化。根据“since then”可知，本句是现在完成时，主语第三人称单数，助动词用has。故填has changed。 4．句意：我五年前买了这本书。根据“five years ago.”可知，本句是一般过去时，动词用过去式。故填bought。 5．句意：虽然我已经读了很多遍，但每次我拿起它，它仍然能给我带来奇妙的感觉。根据“many times”可知，本句应用现在完成时，主语是I，助动词用have。故填have read。 学科网（北京）股份有限公司 $$