新概念第一冊(cè)時(shí)態(tài)總結(jié)-資料下載頁(yè)
2025-06-26 13:53本頁(yè)面
【正文】 表示去了 I have been to London.(人已經(jīng)回來(lái)) He has gone to London.（人還在那里） * 表示一種結(jié)果， 一般不和時(shí)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(wèn)句將助動(dòng)詞移到句首，變否定句在助動(dòng)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(wèn)句： What have you done? What has he done? 一般過(guò)去時(shí)與現(xiàn)在完成時(shí)的區(qū)別： 凡是有明確的表示過(guò)去的時(shí)間狀語(yǔ)的句子為過(guò)去時(shí) （注重：有些動(dòng)詞表示的動(dòng)作有一個(gè)終點(diǎn)，不延續(xù)，因此不能和表示一段時(shí)間狀語(yǔ)連用。）錯(cuò)：I’ve left Beijing for 3 days. 對(duì)：I left Beijing 3 days ago. I have been away from being for 3 days. 6. 過(guò)去完成時(shí)： 用法：在過(guò)去的時(shí)間里，兩個(gè)動(dòng)作中，發(fā)生在前的那個(gè)動(dòng)作要用過(guò)去完成時(shí)。 結(jié)構(gòu)：had+過(guò)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(shí)間狀語(yǔ)從句放在句首要在句子后面加煤號(hào)，假如放在主句后則不用加。） ★ 變疑問(wèn)句將助動(dòng)詞移到句首 Had she finished her homework? ★ 變否定句在助動(dòng)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(wèn)句：What had she done? 7. 過(guò)去進(jìn)行時(shí) 表示過(guò)去正在進(jìn)行的動(dòng)作常常用在when、 while、 as引導(dǎo)的狀語(yǔ)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(guò)去將來(lái)時(shí) 結(jié)構(gòu)：would She said she would go here the next morning. 7
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