现在完成时-刘学娜.pptVIP

现在完成时 现在完成时 表示的是过去的时间发生的动作和状态 现在完成时 常见非延续性动词和延续性动词的转变 arrive/come/go to die become a borrow Leave/ move buy open join start/begin finish/ end catch a cold get up get to know get out close wake up go to sleep become interested in * Present Perfect Tense 现在完成时的构成形式 have /has done 助动词 过去分词 否定 疑问 haven’t hasn’t Have you……? Has he……? 1.规则动词 2.不规则动词 finish--finished--finished live--lived--lived carry--carried--carried stop—stopped--stopped go—went—gone see---saw—seen forget—forgot--forgotten now past 一般过去时 现在完成时 future 表示的是在过去的动作或状态对现在的影响 表示过去开始一直持续到现在的状态或动作 1.过去的动作或状态对现在的影响。 2.过去开始，一直持续到现在的状态或动作 动词构成：have/has+v过去分词 had breakfast I have had my breakfast. (现在我不饿) I’m not hungry now moved here in 2000 I still live here I have lived here for three years. I have lived here since 2000/three years ago. now past 现在完成时态 （时间状语） so far/by now/till now already/yet never/ever just before in/during the past years for+段时间 since+点时间、表示过去的句子 一般过去时 （时间状语） yesterday at that moment last night/week/… just now ago in 1998 ( 1).for+表示一段时间的短语 ( 2).since+表示过去时间点的词语 ( 3).since+表示过去时间的时间状语从句 eg.I have been a teacher ______ a year. He has been at this school _______ 1992. We have learned 1,000 English words _______ we came to this school. for since since B. just, already, yet, before/ ever, never 有此类副词时,常强调动作完成,不强调动作的持续. eg.Have you _____been to Japan? I have _____ finished my homework. I have finished my homework ______. I haven’t finished my homework ____. ever just already yet 现在完成时句中常见的时间 A.表示从过去一直持续到现在,不能是具体过去时间 用所给动词的适当形式填空: 1.Tom _____ just ______ (finish) his homework. He ____(do ) it just now. 2. Three minutes ago, he _____ (call) Mr Smith, but he _____ (be not) in at that moment . 3.Alic