Unit 4 课时3 语法-【宝典训练】2023-2024学年七年级下册英语高效课堂课件（沪教牛津版）

Unit 4　Save the trees 课时3　语法 目 录 01 课时精讲 02 课时过关 01 课时精讲 现在进行时可以表示现在(即说话人的说话时刻)正在进行的动作，常与表示“现在”时间或“现阶段”时间的状语连用。如：now，at present，at this moment，these days等，也可不用时间状语。 第 ‹#› 页 课时3　语法 返回目录 ►现在进行时的构成：be(is, am, are)＋现在分词 【解析1】肯定句：主语＋be＋现在分词　如： I am doing my homework. 我正在写作业。 The telephone is ringing. 电话正在响。 【解析2】否定句：主语＋be not＋现在分词　如： I am not playing computer games. 我没在玩电脑游戏。 The boy is not playing football. 男孩没在踢足球。 第 ‹#› 页 课时3　语法 返回目录 【解析3】一般疑问句：Be＋主语＋现在分词？ 肯定回答：Yes，主语＋be. /否定回答：No，主语＋be not.　如： Are you planting trees？ 你们在种树吗？ Is she sweeping the floor？ 她在扫地吗？ 【解析4】特殊疑问句：特殊疑问词＋be＋主语＋现在分词？　如： What are you doing now？ 你正在干什么？ Where are they having their exam？ 他们在哪儿考试？ 第 ‹#› 页 课时3　语法 返回目录 ►现在分词的变化规则 【解析1】一般情况下在动词词尾加-ing。如： go—going去；ask—asking问；look—looking看 【解析2】以不发音的e结尾的动词，去e加-ing。如： take—taking 拿走；make—making制造；write—writing写 第 ‹#› 页 课时3　语法 返回目录 【解析3】满足“两辅夹一元”(以一个辅音字母结尾的重读闭音节，双写最后一个字母，再加-ing)。如： get—getting拿来，得到；sit—sitting坐；put—putting放置；run—running跑； swim—swimming游泳；begin—beginning开始 【解析4】一些特殊的现在分词形式：die(死)—dying; lie(躺；说谎)—lying; tie(系；捆)—tying 第 ‹#› 页 课时3　语法 返回目录 ►现在进行时的用法 【解析1】谈论正在进行的事 现在进行时表示动作发生的时间是“现在”，动作目前的状态是“正在进行中”。所谓“正在进行中”，是指在谈到这件事的时候，这个动作还在进行中。常与“now，look，listen”连用。如： I am doing my homework now. Look! Tom is playing soccer. Listen! They are reading English. 第 ‹#› 页 课时3　语法 返回目录 【解析2】谈论将来的事 现在进行时还可以表示将要发生的动作，有“意愿”或“打算”的含义。所用的动词是arrive, go, come, leave, start, stay等表示移动的动词。如： I'm going. 我要走了。 He is going to come to play with us next week. 他下周将来和我们一起玩。 I'm leaving tomorrow. 我明天要走了。 第 ‹#› 页 课时3　语法 返回目录 【注意】有些动词不用现在进行时，只能用一般现在时。它们是like, hate, see, taste, know, understand, believe, hear等。如： Do you like milk？ 而不是：Are you liking milk？ The book belongs to me. 而不是：The book is belonging to me. 第 ‹#› 页 课时3　语法 返回目录 02 课时过关 一、写出下列动词的现在分词形式 1．sing _________ 2．live ________ 3．ski ________ 4．run _________ 5．carry __________ 6．get _________ 7．stop __________ 8．die _______ 9．throw __________ 10．write _________ 11．dig _________ 12．dance _________ 13．know _________ 14．begin ___________ 15．clean __________ singing living skiing running carrying getting stopping dying throwing writing digging dancing knowing beginning cleaning 第 ‹#› 页 课时3　语法 返回目录 二、用所给单词的适当形式完成句子 1．My parents ______________ (watch) TV now. 2．Look! Three boys _____________ (run)． 3．What ____ your mother _______ (do) now？ 4．Is your dog __________ (sleep) now？ 5．— ______ you ___________ (listen) to music？ —Yes, I am. are watching are running is doing sleeping Are listening 第 ‹#› 页 课时3　语法 返回目录 6．Look! Miss Chen ____________ (play) football. 7．Tom and his sister _____________ (wait) for you over there now. 8．Now Class 3 and Class 4 ____________ (have) a test. 9．Listen! Someone ____________ (sing) in the classroom. 10．—Where is Zhang Yan？ —She ____________ (talk)with her teacher in the teachers' office. is playing are waiting are having is singing is talking 第 ‹#› 页 课时3　语法 返回目录 三、语法填空。 阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。 Jeff is fifteen now, but he's still in Grade One. He enjoys 1．_________ (play)football. He often plays it 2．______ his friends. He does not listen to his teachers in the class, and he does not listen to his father and mother at home. They are angry with him, but they don't know what to do. playing with 第 ‹#› 页 课时3　语法 返回目录 One Sunday morning, Jeff 3．____ (get) up early. After breakfast, his mother asked him 4．______ (do) his homework. He went to his bedroom. When his mother was busy with her housework, Jeff went out 5．_______ (quiet). It was time for lunch, 6．_____ his mother couldn't find him. got to do quietly but 第 ‹#› 页 课时3　语法 返回目录 Later he came back. His 7．________ (parent)looked very angry, but said nothing. After lunch, Jeff wanted 8．______ (go)out again. His father stopped him and asked，“ 9．_____ (be)your homework over？” “No，” answered the boy, “I can't do it.” His father pulled him by the ear and said，“10．________ is your ear？” “Oh，dear！” Jeff called out， “It's in your hand.” parents to go Is Where 第 ‹#› 页 课时3　语法 返回目录 本节内容到此结束！ logo $$