一般来说,在动词后加ed或不规则动词的过去式有两种形式;在过去某个时间发生的行为或状态
一般过去时:两种变化形式:在动词后加ed或不规则变化的动词;在确定的过去时间里所发生的动作或存在的状态:常用时间状语:yesterday, last week, an hour ago, the other day, in 1982等;Did you go to Shanghai last week? 补充:used to/be used to (1)used to + do:"过去常常",表示过去习惯性的动作或状态,但如今已不存在;Mike used to take a walk. (2)be used to + doing: 对……已感到习惯,或"习惯于",to是介词,后需加名词或动名词;1.Mike is used to taking a walk.2. He is used to taking a shower with cold water. (3)be used to do:被用来做……Leaves are used to fight enemies in Kong fu movies as the weapons. ---- Your phone number again? I _A__ quite catch it. ---- It"s 69568442. A. didn"t B. couldn"t C. don"t D. can"t 答案A. 本句虽没有明确的时间状语,但从语意上看出,在听的时候没有听懂这个动作发生在过去,因此应用过去时。 一般过去式和过去完成时的对比:(1)过去完成时:过去的过去;Before I came to Beijing, I had stayed in Shanghai. ① 一个句子里有两个谓语动词,一个发生在前,一个发生在后,发生在前的用一般过去时,发生在后的用过去完成时;When the police arrived, the thieves had run away. ② 表示意向的动词,如hope, wish, expect, think, intend, mean, suppose等,用过去完成时表示"原本…,却未能…"1.We had hoped that you would come, but you didn"t. 2.We had thought that he would take part in the competition,but he didn"t. ③ 虚拟语气:若虚拟的现象与过去事实相反,则用过去完成时;If you had come to my birthday party, you would have seen Yaoming.(虚拟语气中可以用had+过去分词,表示对过去事实的虚拟) 3. 一般将来时 (1)shall/will, shall用于第一人称,常被will 所代替;Which paragraph shall I read first? (2)be going to +不定式,表示将来;表示要发生的事情有了预先的计划、准备或有迹象表明要发生;1.What are you going to do tomorrow? 2.What will you do this afternoon?(will表示纯粹的将来) (3)be +不定式:表将来,按计划或正式安排将发生的事;We are to/will discuss the report next Saturday. (4)be about to +不定式:意为马上做某事,后面不可以接时间状语;He is about to leave for Beijing. 注意:(1)一般现在时有时也可表将来;The train leaves at six tomorrow morning. ① 趋向性动词come, go, arrive, leave, start, begin, return的一般现在时表将来,主要用来表示在时间上已确定或安排好的事情。When does the bus star? It stars in ten minutes. ② 在时间或条件句中,用一般现在时表将来;I"ll write to you as soon as I arrive in Beijing. (2)现在进行时也可以表示将来:通常用于口语,翻译为意向...;来、去、开始、到达、离开、留下等词可以用来表达未来;部分内容来源于网络转载、学生投稿,如有侵权或对本站有任何意见、建议或者投诉,请联系邮箱(1296178999@qq.com)反馈。 未经本站授权,不得转载、摘编、复制或者建立镜像, 如有违反,本站将追究法律责任!
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