2025-2026学年人教版八年级下册英语期末语法专项（精讲练习解析）

八下英语期末语法专项总复习 语法专项一：动词不定式（to do） 一、知识点精讲 考点1：动词不定式作目的状语 语法讲解：放在句末或句首，用来表示做一件事的目的，翻译为“为了……”，结构统一：to + 动词原形。 基础例句1：I get up early to study English. 我早起是为了学英语。 基础例句2：She runs every day to keep healthy. 她每天跑步为了保持健康。 考点2：动词不定式作宾语补足语 语法讲解1（带to，最常考）：tell/ask/want/teach sb. (not) to do sth. 告诉/要求/想要某人（不）做某事 例句：My mother asks meto finish homework on time. 妈妈要求我按时完成作业。 否定例句：The teacher tells us not to fight. 老师告诉我们不要打架。 语法讲解2（不带to，特殊必考）：make/let/have/see/hear/watch + sb. + 动词原形 例句1：The teacher makes us read English every morning. 老师让我们每天早上读英语。 例句2：I saw him clean the classroom. 我看见他打扫了教室。 二、专项强化练习题 一、用所给动词适当形式填空（每题对应1个细分考点） 1. She practices hard every day ______ (win) the sports competition.（目的状语） 2. Our teacher tells us ______ (not be) late for morning reading.（带to不定式否定） 3. My father often lets me ______ (play) basketball after finishing homework.（不带to不定式） 4. They go to the old people’s home ______ (help) the old people.（目的状语） 5. I heard her ______ (sing) an English song just now.（感官动词不带to） 6. He studies very hard ______ (improve) his English grades.（目的状语） 7. Don’t make your little brother ______ (cry).（make用法） 8. My parents want me ______ (keep) a healthy lifestyle.（want sb. to do） 二、句型转换 9. He exercises every day. He wants to keep fit.（用不定式合并句子） ________________________________________________________ 10. The boss asks the workers to work on weekends.（改为否定句） ________________________________________________________ 11. We must get up early. We must catch the school bus.（用不定式合并） ________________________________________________________ 语法专项二：情态动词should/could表建议 + 反身代词 一、知识点精讲 考点1：should 表建议（高频必考） 讲解：语气坚定，表“应该、应当”，用来提合理建议、讲规则道理；否定式：shouldn’t 不应该 例句：You should exercise every day. 你应该每天锻炼。 否定例句：You shouldn’t spend too much time on games. 你不应该花太多时间玩游戏。 考点2：could 表委婉建议 讲解：语气柔和、委婉，表“可以、不妨”，用于给别人温和的建议，比should更客气。 例句：You could talk with your friend when you are upset. 你不开心时可以和朋友聊聊。 考点3：反身代词基础用法 讲解：表示“某人自己”，固定搭配：by oneself（独自）、enjoy oneself（玩得开心）、teach oneself（自学）、hurt oneself（伤到自己） 全套单词：myself我自己、yourself你自己、himself他自己、herself她自己、itself它自己、ourselves我们自己、yourselves你们自己、themselves他们自己 例句1：I can finish my homework by myself. 我可以独自完成作业。 例句2：We enjoyed ourselves at the party. 我们在派对上玩得很开心。 二、专项强化练习题 一、用 should / could / shouldn’t 填空 1. You ______ stay up late. It is bad for your eyes. 2. You ______ read more books to open your eyes. 3. I have a toothache. I ______ eat too much sweet food. 4. You ______ try to help your parents do housework. 5. ______ you please help me carry the box? 二、用正确的反身代词填空 6. He learned English by ______. 7. Kids, don’t hurt ______ when you play outside. 8. She cooked dinner for ______ last night. 9. We can solve the problem by ______. 10. The little cat can wash ______. 语法专项三：四大基础状语从句（although / until / so that / if） 一、知识点精讲 考点1：although 让步状语从句 讲解：翻译“虽然……”，绝对不能和but连用，这是初二最大易错点！ 例句：Although he is young, he knows a lot. 虽然他年纪小，但是他懂得很多。 考点2：until 时间状语从句 讲解：① 肯定句：一直……直到；② 否定句 not…until… 直到……才……（必考） 例句1：I wait until you come back. 我一直等你回来。 例句2：I didn’t go to bed until my mom came home. 我直到妈妈回家才睡觉。 考点3：so that 目的状语从句 讲解：翻译“为了、以便”，从句里常搭配 can / could / will 等情态动词。 例句：I study hard so that I can get good grades. 我努力学习是为了取得好成绩。 考点4：if 条件状语从句 讲解：翻译“如果”，严格遵守主将从现：主句将来时，从句一般现在时。 例句：If it is sunny tomorrow, we will go hiking. 如果明天晴天，我们就去远足。 二、专项强化练习题 一、单项选择 1. ______ it rained heavily, we still went to school on time. A. Although B. But C. So 2. He didn’t stop working ______ he was too tired. A. so that B. until C. if 3. She gets up early ______ she can catch the early bus. A. until B. although C. so that 4. If he ______ free tomorrow, he will help us. A. is B. will be C. was 5. ______ you try your best, you will succeed. A. Although B. If C. Until 二、用正确连词填空 6. I will wait here ______ you finish your work. 7. ______ I am busy, I still help my mom do housework. 8. He practices speaking English every day ______ he can speak it well. 三、句型转换 9. He is very poor. He is very happy.（用although合并） ________________________________________________________ 10. She studies hard. She wants to pass the exam.（用so that合并） ________________________________________________________ 语法专项四：形容词、副词比较级、最高级 一、知识点精讲 考点1：比较级（两者对比，标志词than） 讲解：两个人/物对比，用“比较级 + than”，译为“更……” 例句：This book is better than that one. 这本书比那本更好。 考点2：as…as 同级比较 讲解：中间必须用原级，as…as 和……一样；not as/so…as 不如…… 例句：Tom runs as fast as his brother. 汤姆和他哥哥跑得一样快。 考点3：最高级基础用法 讲解：三者及以上对比，the + 最高级 + in/of 范围 例句：He is the tallest boy in our class. 他是我们班最高的男生。 考点4：one of the + 最高级 + 复数名词 讲解：最……之一（必考句型，名词必须用复数） 例句：It is one of the most beautiful parks in our city. 它是我们城市最美的公园之一。 考点5：the + 序数词 + 最高级 讲解：第几最…… 例句：The Yellow River is the second longest river in China. 黄河是中国第二长河。 二、专项强化练习题 一、用所给词适当形式填空 1. Lucy is ______ (thin) than her sister. 2. This movie is as ______ (interesting) as that one. 3. He is one of the ______ (clever) students in Grade Eight. 4. This is the third ______ (tall) building in this city. 5. My bag is not as ______ (heavy) as yours. 6. The weather today is ______ (good) than yesterday. 7. She is the ______ (quiet) girl in our group. 二、句型转换 8. Tom is taller than any other student in his class.（改为最高级） ________________________________________________________ 9. This book is less interesting than that one.（改为同级比较） ________________________________________________________ 语法专项五：过去进行时 + when/while 从句 一、知识点精讲 考点1：过去进行时基本结构+提示词 讲解：表示过去某个具体时间点或时间段正在进行的动作，结构：was/were + doing 常见提示词：at 8:00 last night（昨晚八点）、at this time yesterday（昨天这个时候）、then（那时） 例句：I was reading books at 8:00 last night. 昨晚八点我正在看书。 考点2：when 用法 讲解：when后接短暂动作（一般过去时），表示“这时突然……”，长短动作搭配：长动作用过去进行时，短动作用一般过去时 例句：I was walking home when I met my friend. 我正走回家，这时遇到了朋友。 考点3：while 用法 讲解：while后接延续动作（过去进行时），表示“正当……的时候”，可用于两个动作同时进行 例句：While my mom was cooking, my dad was watching TV. 妈妈做饭时，爸爸在看电视。 二、专项强化练习题 一、用所给词适当形式填空 1. They ______ (play) football at this time yesterday. 2. I ______ (study) English when the teacher came in. 3. While she ______ (wash) clothes, her brother was playing games. 4. What ______ you ______ (do) at 9:00 last night? 二、句型转换 5. She was cleaning the room at that time.（改为一般疑问句并否定回答） ________________________________________________________ 6. He was running. It began to rain.（用when合并句子） ________________________________________________________ 语法专项六：so...that / unless / as soon as 状语从句 + -ed/-ing形容词 一、知识点精讲 考点1：so…that 结果状语从句 讲解：如此……以至于……，so+形容词/副词，that后接表结果的完整句子 例句：He is so tired that he can’t walk. 他太累了，以至于走不动路。 考点2：unless 条件状语从句 讲解：除非，如果不（等同于if…not），遵循“主将从现”规则 例句：You will fail unless you study hard. 除非你努力学习，否则你会不及格。 考点3：as soon as 时间状语从句 讲解：一……就……，严格遵守主将从现 例句：I will call you as soon as I arrive. 我一到就给你打电话。 考点4：-ing / -ed 形容词辨析（必考易错） 讲解：-ing 修饰事物/场景（令人……的）；-ed 修饰人（感到……的） 例句：The story is boring. I feel bored. 这个故事很无聊，我感到很无聊。 二、专项强化练习题 一、选词填空（so…that / unless / as soon as） 1. I will go to bed ______ I finish my homework. 2. The movie is ______ moving ______ many people cry. 3. You can’t pass the exam ______ you work hard. 4. He runs ______ fast ______ no one can catch up with him. 二、用-ing/-ed形式填空 5. I am ______ (surprise) at the ______ (surprise) news. 6. The trip is very ______ (excite). We feel very ______ (excite). 7. This book is ______ (interest). I am ______ (interest) in it. 语法专项七：现在完成时 一、知识点精讲 基本结构：肯定句：主语 + have/has + 过去分词；否定句：主语 + haven’t/hasn’t + 过去分词；一般疑问句：Have/Has + 主语 + 过去分词？ 人称用法：第一、二人称及复数主语用have；第三人称单数主语用has 考点1：用法一（结果影响用法） 语法讲解：表示过去发生的动作，对现在造成一定的影响或结果，动作已结束，重点在“现在的结果”。 高频提示词：already（已经，肯定句）、yet（还，否定/疑问句）、just（刚刚）、ever（曾经）、never（从未）、before（以前）、recently（最近） 例句：I have finished my homework, so I can watch TV now. 我已经写完作业了，所以现在可以看电视。（过去写完作业，现在能看电视，存在结果影响） 考点2：用法二（持续状态用法） 语法讲解：表示动作或状态从过去某一时间开始，一直持续到现在，动作大概率还会继续延续，是本册期末核心考点。 高频提示词：for+时间段、since+时间点/过去式句子、so far（到目前为止）、all the time（一直） 例句1（for用法）：I have lived here for 10 years. 我在这里住了十年。（十年前开始居住，持续至今） 例句2（since用法）：I have lived here since 2014. 我从2014年开始就住在这里。 考点3：重点拓展辨析 have been to：去过某地（已经返回，表经历）；have gone to：去了某地（未返回，不在现场） 例句：I have been to Beijing twice. 我去过北京两次。 二、专项强化练习题 一、用所给词适当形式填空 1. I ______ (read) this book already.（结果影响用法+already） 2. She ______ (not finish) her homework yet.（结果影响用法+yet） 3. We ______ (know) each other for five years.（持续用法+for时间段） 4. He ______ (live) here since he was seven years old.（持续用法+since从句） 5. My father ______ (be) a teacher for 15 years.（持续状态用法） 6. I ______ (never visit) the Great Wall before.（结果影响用法+never） 7. They ______ (learn) English so far.（持续用法+so far） 8. She ______ just ______ (clean) her bedroom.（结果影响用法+just） 二、句型转换 9. He has lived here for 6 years.（改为since句型，持续用法转换） ________________________________________________________ 10. I have already finished my homework.（改为一般疑问句） ________________________________________________________ 全套参考答案 语法一：动词不定式 1. to win 2. not to be 3. play 4. to help 5. sing 6. to improve 7. cry 8. to keep 9. He exercises every day to keep fit. 10. The boss asks the workers not to work on weekends. 11. We must get up early to catch the school bus. 语法二：情态动词+反身代词 1. shouldn’t 2. should 3. shouldn’t 4. should 5. Could 6. himself 7. yourselves 8. herself 9. ourselves 10. itself 语法三：四大状语从句 1. A 2. B 3. C 4. A 5. B 6. until 7. Although 8. so that 9. Although he is very poor, he is very happy. 10. She studies hard so that she can pass the exam. 语法四：比较级最高级 1. thinner 2. interesting 3. cleverest 4. tallest 5. heavy 6. better 7. quietest 8. Tom is the tallest student in his class. 9. This book is not as interesting as that one. 语法五：过去进行时 1. were playing 2. was studying 3. was washing 4. were; doing 5. Was she cleaning the room at that time? No, she wasn’t. 6. He was running when it began to rain. 语法六：进阶状语从句+ed/ing形容词 1. as soon as 2. so; that 3. unless 4. so; that 5. surprised; surprising 6. exciting; excited 7. interesting; interested 语法七：现在完成时 1. have read 2. hasn’t finished 3. have known 4. has lived 5. has been 6. have never visited 7. have learned 8. has; cleaned 9. He has lived here since 6 years ago. 10. Have you finished your homework yet? 学科网（北京）股份有限公司 $