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1、精選優(yōu)質(zhì)文檔-傾情為你奉上新概念一主要語法知識點(diǎn)（一）時態(tài)主要涉及的時態(tài)有：一般現(xiàn)在時，現(xiàn)在進(jìn)行時，一般過去時，現(xiàn)在完成時，一般將來時，過去進(jìn)行時，過去完成時，過去將來時1. 一般現(xiàn)在時表示一般性，經(jīng)常性的動作或一般性事實(shí)。· 含有be動詞的句子例：He is a teacher.       The girl is very beautiful.       Tim and Jack are students.變疑問句將be動詞移到句首·例：Is he a teacher? 

2、60;    Is the girl very beautiful?       Are Tim and Jack students?變否定句在be動詞后面加not例：He is not a teacher.       The girl is not very beautiful.       Tim and Jack are not students.肯定回答及否定回答例：Yes, he is. No, he is not.   &

3、#160;   Yes, she is. No, she is not.       Yes, they are. No, they are not.· 不含有動詞的句子，即含有一般動詞的句子第三人稱單數(shù)及單數(shù)名詞例：He likes books.       She likes him.       The dog likes bones.變疑問句在句首加does,動詞變?yōu)樵屠篋oes he like books?    

4、;   Does she like him?       Does the dog like bones?變否定句在主語及動詞之間加doesnt, 動詞變?yōu)樵屠篐e doesnt like books.       She doesnt like him.       The dog doesnt like bones.肯定回答及否定回答：例：Yes, he does. No, he doesnt.      

5、Yes, she does. No, she doesnt       Yes, it does. No, it doesnt.注意：第三人稱單數(shù)形式一般在動詞后面加S，不要和名詞復(fù)數(shù)混淆，變否定句或疑問句時名詞復(fù)數(shù)沒有任何變化。其他人稱及復(fù)數(shù)名詞例：I want to have a bath.      We have some meat.      The students like smart teachers.變疑問句在句首加do例：Do you want to ha

6、ve a bath?       Do we have any meat?       Do the students like smart teachers?變否定句在主語和動詞之間加dont.例：You dont want to have a bath.       We dont have any meat.       The students dont like smart teachers.肯定回答及否定回答例：Yes, I

7、 do. No, I dont.       Yes, we do. No, we dont       Yes, they do. No, they dont.2. 現(xiàn)在進(jìn)行時表示現(xiàn)在正在進(jìn)行的動作。構(gòu)成：主語be動詞動詞的現(xiàn)在分詞其它成分例：We are having lunch.       He is reading a book.      The dog is running after a cat. 

8、    The boys are swimming across the river.變疑問句將be動詞移到句首例：Are we having lunch?       Is he reading a book?       Is the dog running after a cat?       Are the boys swimming across the river?變否定句在be動詞后面加 not例：We are not h

9、aving lunch.       He is not reading a book.       The dog is not running after a cat.       The boys are swimming across the river.特殊疑問句：what,which, how, where, who, etc.疑問詞動詞主語現(xiàn)在分詞例：What are you doing?       What is sh

10、e doing?       What is the dog doing?注：(必背！)沒有進(jìn)行時的動詞：表示狀態(tài)，思想，感情和感覺的動詞不能表示正在進(jìn)行的動作表示感覺，感官的詞see, hear, like, love, want, have, has當(dāng)”擁有”講時沒有進(jìn)行時3. 一般過去時表示過去發(fā)生的動作或事件，常和表示過去的時間狀語連用，如yesterday, last night, the day before yesterday, 3 days ago,· 含有be動詞的句子， 將動詞變?yōu)檫^去式，am, is的過

11、去式為was，are的過去式為were例：I was at the butchers.      You were a student a year ago.      The teacher was very beautiful ten yearsago.變疑問句將be動詞移動到句首例：Were you at the butchers?       Were you a student a year ago?       Was th

12、e teacher very beautiful ten yearsago?變否定句在be動詞后面加not例：I was not at the butchers.       You were not a student a year ago.      The teacher was not very beautiful tenyears ago.肯定回答否定回答例：Yes, I was. No, I was not.       Yes, you were. No, yo

13、u were not.       Yes, he/she was. No, he/she was not.特殊疑問句：例：What did you do?· 不含有be動詞的句子，將動詞變?yōu)檫^去式例：I finished my homework yesterday.       The boy went to a restaurant.       The Sawyers lived at King Street a year ago.變疑問句在句首加did，&#

14、160;動詞變?yōu)樵屠篋id you finish your homework yesterday?       Did the boy go to a restaurant?       Did the Sawyers live at King Street a year ago?變否定句在主語和動詞之間加didnot例：I did not finish my homework yesterday.      The boy did not go to a restaur

15、ant.      The Sawyers did not live at King Street a yearago.肯定回答及否定回答例：Yes, I did. No, I didnt.       Yes, he did. No, he didnt.       Yes, they did. No, they did not.4. 現(xiàn)在完成時構(gòu)成：主語+助動詞have, has+過去分詞用法：1)表示過去發(fā)生的和現(xiàn)在有某種聯(lián)系的動作，常和just, usually, already, since等時間副詞連用例：I have just had lunch. (飽了，不用再吃了)       He has had a cup of tea.（不渴了，不用再喝）       They have already had their holiday. （不能再度假了