1、语法专题(一)语法专题(一)by 小小老师小小老师本章所有语法知识仅限于小学范围!be动词动词 与与 助动词助动词四种基本句式四种基本句式判断句判断句陈述句陈述句否定句否定句疑问句疑问句(一)(一)be动词与助动词动词与助动词(1)be动词动词:表示:表示“是是”的意的意思。思。am is are第一人称:I amIm 第二人称:you are youre 第三人称:she/he is is not=isnt they aretheyre 注意:第二人称注意:第二人称you后面始终后面始终跟跟are,其单复数(,其单复数(“你你”还还是是“你们你们”要根据后面的名词要根据后面的名词判断)判断)
2、You are a student.You are students.(2)助动词。助动词。定义:协助主要动词构成谓语动词词组的词叫助动词。助动词自身没有词义。助动词自身没有词义。do does woulddo not=dontdoes not=doesntwould not=wouldntWhat would you like for lunch?I would like chicken for lunch.=Id like chicken for lunch.如:Do you like it?Does he like it?I do not like it.He does not like
3、 it.=I dont like it.=He doesnt like it.问:老师说助动词是其它动问:老师说助动词是其它动词的小助手,自己没有词义,词的小助手,自己没有词义,那么那么 I do homework.里面里面“do”不是不是“做做”的意的意思吗?思吗?答:答:I do homework.里面的里面的“do”的确是的确是“做做”的意思的意思在这里,它不是在这里,它不是助动词助动词,而是,而是“实义动词实义动词”,就是有实际意义,就是有实际意义的动词。的动词。请判断下面动词是助动词还是实义动词。请判断下面动词是助动词还是实义动词。I have potatoes for lunch.
4、I do homework on Sunday.He doesnt like fish.What do you do on Friday?(二)四种基本句式(二)四种基本句式I am a girl.我我是是一个女生。一个女生。He is smart.他很他很聪明聪明。Its tasty!它可好吃了!它可好吃了!(1)判断句判断句:什么是什么,什么怎么样:什么是什么,什么怎么样。I read a book.我在看书。我在看书。I have 6 teachers.我有我有6个老师。个老师。He goes to school.他去上学。他去上学。A dog eats bread.有只狗在吃面包。有只
5、狗在吃面包。(2)陈述句陈述句:谁干什么,谁有什么。:谁干什么,谁有什么。(3)否定句否定句:含有:含有“not”的句子,表的句子,表示示“不不”,“没没”。He is not a teacher.他不是老师。She isnt tall.她不高。I dont know.我不知道。Lucy does not have lunch.露西没吃中饭。Mike doesnt like math.迈克不喜欢数学。(4)疑问句疑问句:“吗?吗?”,“呢?呢?”一般疑问句一般疑问句:把be动词或者助动词(do/does)提前。Am I a good teacher?我是一个好老师吗?Is he funny?他
6、幽默吗?Do you like music?你喜欢音乐吗?Does she have a ruler?她有尺子吗?特殊疑问句特殊疑问句:含有:含有疑问词疑问词的问句。的问句。疑问词疑问词:What When Why Who Where How5W.H What:什么:什么 What do you have on Monday?When:什么时候:什么时候 When do you have computer class?Why:为什么:为什么 Why do you like ice-cream?Who:谁谁 Whos your mother?Where:哪里哪里 Where do you go?
7、How:怎样:怎样 How is your Chinese teacher?(5)句式转换)句式转换判断句判断句陈述句陈述句否定句否定句否定句否定句疑问句疑问句疑问句疑问句判断句变否定句:判断句变否定句:Helen is a beautiful girl.Helen is not a beautiful girl.Jim is thin.Jim isnt thin.判断句变疑问句:判断句变疑问句:Is Helen a beautiful girl?Is Jim thin?陈述句变否定句:陈述句变否定句:I like apples.I dont like apples.He plays comp
8、uter game.He doesnt play computer game.陈述句变一般疑问句:陈述句变一般疑问句:a.Do you like apples?b.Does he play computer game?陈述句变特殊疑问句:陈述句变特殊疑问句:a.He has art on Wednesday.有什么课有什么课:What do you have on Wednesday?什么时候什么时候有美术课:When does he have art?b.Jim is my good friend.谁:谁:Who is your good friend?c.I like bananas.They are tasty!为什么:为什么:Why do you like bananas?d.He goes to school.She is at home.什么地方:什么地方:Where does he go?Where is she?今天的语法学习到这里就要今天的语法学习到这里就要结束了,你都学会了吗?结束了,你都学会了吗?See you next time!相关测试题见本文库其它文件