《初中动词讲解》PPT课件.ppt

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1、动词,1.定义：动词是表示动作和状态的词。是英语最重要的一种词类。2.分类：动词可分为四大类，分别是：实义动词、系动词、助动词和情态动词。（一）实义动词就是表示有实际意义的词，可单独 使用。例如：Look!看!Lets play a game.让我们玩游戏吧。play“玩”动词Open your book.打开你的书。open“打开”动词Your hands are dirty.Please wash your hands.你的手很脏。请洗一洗手。,动词,（二）系动词自己也有词义，但不能单独使用。后接形容词，名词等，描述主语的身份，特征，性质等。常见的系动词有：be动词，look(看起来)，f

2、eel(感觉)，smell(闻起来)等。例：I am a doctor.我是一名医生。I feel cold.我感觉很冷。The flower smells nice.这朵花闻起来很香。,be动词：原形be；三种变形：am,is,are。,例：I am a boy.我是一个男孩。You are a teacher.你是一名老师。He is short.他是矮的。She is eight years old.她八岁了。It is black.它是黑色的。The room is clean.这个房间很干净。These girls are happy.这些女孩是开心的。,（三）助动词帮助动词完成句子

3、，构成否定句，疑问句，时态和语态等。常用的助动词有：do，be，have。例：I dont like this shirt.我不喜欢这件衬衫。He is swimming.他正在游泳。Have you read the book?你读完这本书了吗？,（四）情态动词词义不完全，只能与实义动词一起使用，后接动词原形。必会情态动词：can 和 may，翻译成“能；可以”。例：May I have a hot dog?我可以要一个热狗吗？I can cook.我会做饭。Can I go out?我可以出去吗？,用be动词填空。1.This _ a kite.2.I _ a pupil(小学生).3.Y

4、ou _ a pupil,too.4.What _ these?They _ robots.5.The girl_ Jacks sister.6.Mike and Liu Tao _ at school.7.Who _ I?8.Yang Ling _ eleven years old.,A、动三单的变法 1)“辅+y”结尾,变y为i加es 2)“以s;sh;ch;x;o结尾,加es 3)直接加s但have-hasB、现在分词的变法 1)去e加ing(e不发音)2)双写加ing(“辅元辅”结尾且重读,y;w列外)3)直接加ing写出下列动词的现在分词1.see_e _3.stop_4.open

5、_5.listen_6.drop _7.prefer_8.fix_ 9.relax _10.die _11.tie _12.lie _,动词的四种形式,C、动词的过去式和过去分词（一）不规则变化（见课本不规则变化表P255）（二）规则变化 1)“辅+y”结尾，变y为i加ed 2)双写加ed 3)直接加ed写出下列动词的过去式和过去分词1.drop _ _2.stop _ _3.prefer _ _4.study _ _5.try _ _6.fix _ _ 7.relax _ _,二、用所给动词的适当形式填空1.Mother _(watch)TV every evening.2.We_(talk

6、)when the teacher came in.3.He _(go)to Beijing two days ago.4.He _(leave)Chengdu in two days.5.Look!The boy_(play)football on the playground.6.My uncle _(live)here for ten years.7.He often helps the old woman _(carry)water.8.Would you like to make a contribution to _(improve)our living conditions?9.

7、Dont forget _(turn)off the lights before you go out.10.Please let the girls _(go)first.,11.They had great fun _(play)football this afternoon.12.Do you enjoy _(watch)TV?13.Would you like _(have)a cup of tea?14.You can _(go)there tomorrow.15.Would you mind my _(open)the door?16.Please ask him _(speak)more loudly17.Ill go fishing if it _(be)fine tomorrow.18.He said his grandpa _(be)dead for ten years.19.Tell the children _(not play)in the street.20.Mr Zhu spent much time _(help),