新概念英語第一冊語法總結(jié)八種時態(tài)資料句型和語法資料-展示頁
2025-04-15 23:48本頁面
【正文】 表示過去正在進行的動作,經(jīng)常用在when, while, as引導的狀語從句中。結(jié)構(gòu)：had+過去分詞After she had finished her homework, she went shopping.They had sold the car before I asked the price.The train had left before I arrived at the station.After/before引導的時間狀語從句放在句首要在句子后面加逗號，如果放在主句后則不用加。表示一種經(jīng)歷，經(jīng)驗：去過…地方，做過…事情，經(jīng)歷過…事情I have never had a bath.I have never seen a film.I have never been to cinema.I have ever been to Paris.Have been to表示去過，have gone to 表示去了I have been to London.(人已經(jīng)回來)He has gone to London.（人還在那里）5)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）The boy has already read the book. （已經(jīng)知道書的內(nèi)容了，不用再看了）2)詢問別人是否做過某事一般用現(xiàn)在完成時：Have you finished your homework?Have you been to Beijing?Have he seen the film?3)其他人稱及復數(shù)名詞I want to have a bath.We have some meat.The students like smart teachers.★變疑問句在句首加doDo you want to have 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don’t.You don’t want to have a bath.We don’t have any meat.The students don’t like smart teachers.★肯定回答及否定回答Yes, I do. No, I don’t.Yes, we do. No, we don’tYes, they do. No, they don’t.2. 現(xiàn)在進行時表示現(xiàn)在正在進行的動作。新概念英語第一冊語法總結(jié)（上）[八種時態(tài)]新概念一語法總結(jié)（上）一．時態(tài)：一般現(xiàn)在時，現(xiàn)在進行時，一般過去時，現(xiàn)在完成時，一般將來時，過去進行時，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。含有be動詞的句子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Is he a teacher?Is the girl very beautiful?Are Tim and Jack students?★變否定句在be動詞后面加notHe 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Yes, he is. No, he is not.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He likes books.She likes him.The dog likes bones.★變疑問句在句首加does, 動詞變?yōu)樵虳oes he like books?Does she like him?Does the dog like bones?★變否定句在主語及動詞之間加doesn’t, 動詞變?yōu)樵虷e doesn’t like books.She doesn’t like him.The dog doesn’t like bones.★肯定回答及否定回答：Yes, he does. No, he doesn’t.Yes, she does. No, she doesn’tYes, it does. No, it doesn’t.注意：第三人稱單數(shù)形式一般在動詞后面加S，不要和名詞復數(shù)混淆，變否定句或疑問句時名詞復數(shù)沒有任何變化。構(gòu)成：主語＋be動詞＋動詞的現(xiàn)在分詞＋其它成分（現(xiàn)在分詞的構(gòu)成見附錄）We are having lunch.He is reading a book.The dog is running after a cat.The boys are swimming across the river.★變疑問句將be動詞移到句首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 notWe are not having 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What are you doing?What is she doing?What is the dog doing?(必背)沒有進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行的動作1. 表示感覺，感官的詞see, hear, like, love, want,2. have, has當”擁有”講時沒有進行時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
外語相關(guān)推薦
鄂ICP備17016276號-1