新概念第一冊時態(tài)總結(jié)-資料下載頁
2025-06-26 13:53本頁面
【正文】 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） * 表示一種結(jié)果， 一般不和時間副詞聯(lián)用 I have lost my pen. I have hurt myself. He has bee a teacher. She has broken my heart. 句型變化： ★變疑問句將助動詞移到句首，變否定句在助動詞后面加not. . Have you lost your pen? I have not lost my pen. ★肯定回答及否定回答 Yes I have. No I have not. * 特別疑問句： What have you done? What has he done? 一般過去時與現(xiàn)在完成時的區(qū)別： 凡是有明確的表示過去的時間狀語的句子為過去時 （注重：有些動詞表示的動作有一個終點，不延續(xù)，因此不能和表示一段時間狀語連用。）錯：I’ve left Beijing for 3 days. 對：I left Beijing 3 days ago. I have been away from being for 3 days. 6. 過去完成時： 用法：在過去的時間里，兩個動作中，發(fā)生在前的那個動作要用過去完成時。 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(dǎo)的時間狀語從句放在句首要在句子后面加煤號，假如放在主句后則不用加。） ★ 變疑問句將助動詞移到句首 Had she finished her homework? ★ 變否定句在助動詞后面加not She hadn’t finished her homework. ★ 肯定回答及否定回答 Yes she had. No she hadn’t. ★ * 特別疑問句：What had she done? 7. 過去進行時 表示過去正在進行的動作常常用在when、 while、 as引導(dǎo)的狀語從句中。結(jié)構(gòu)：was/were+doing When my husband was going into the dining room this morning ，he dropped some coins on the floor. While we were having dinner， my father was watching TV. 8． 過去將來時 結(jié)構(gòu)：would She said she would go here the next morning. 7
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