八个时态完全解析_一般现在时_现在完成时_现在完成时_过去完成时_将来时、过去时)复习课程.ppt

一般现在时 1.表经常发生的事情、存在的动作或状态eg She sings with the band Crazy Boy.2.表内心活动感情等eg I dont think you are right.3.描述客观真理eg Birds fly in the sky.4.表预定的行为eg The train leaves at 9. 基本结构 一般过去时用动词的过去式构成，即在动词原形后加ed。 　　例句： 　　He was here just now. 他刚才还在这里。 　　What did you do yesterday? 你昨天做了什么事？ 　　We often played together when we were children. 我们小时候常在一起玩。 　　He used to smoke a lot, but he doesn’t now. 他过去经常抽烟，但现在不抽了。 　　Whenever we were in trouble, he would help us. 每当我们遇到困难，他都会帮助我们。 　　At that time she was very good at English. 那时她英语学得很好。 　　He said he would wait until they came back. 一般将来时 1.要在将来的某个时间内发生，是“纯粹的将来动作”。eg I shall / will not be free tomorrow.2.表说话人的意图、打算或某种可能性eg Who is going to speak first? 3.按计划要发生的动作或命令他人做某事eg The new bridge is to open to traffic in 3 days. 基本结构 由 will 加动词原形构成，当主语是第一人称时，也可以用 shall 加动词原形。 　　例如： 　　Telephone me this evening. I’ll be at home. 今晚给我打电话，我会在家。 　　I’ll (shall/will) do a better job next time. 下次我要干得好些。 　　The car won’t start. 车开不了啦。 　　Oil and water will not mix. 油和水没法混在一起。 现在进行时 1.说话、写文章的当刻正在发生的动作eg They are having a football match.2.现阶段一直在进行的动作eg He is preparing for CET Band Six.3.表示说话人的情感，如赞许、批评等eg She is often doing well at school. 4.表示在近期按计划或安排要发生的动作eg Are you staying here till next week? 基本结构 现在进行时由 am/is/are 加现在分词构成。例句：　　They’re having a meeting. 他们在开会。 　　I’m studying at an evening school. 我在上夜校。 　　Mike is coming home on Thursday. 迈克星期四回来。 　　They’re having a party next week. 下星期他们将开一个晚会。 　　You’re always interrupting me! 你老打断我的话!(抱怨) 　　My father is always losing his car keys. 我爸老丢车钥匙。(不满) 　　She’s always helping people. 她老是帮助别人。(赞扬) 过去进行时 1.表示在过去某时刻正在进行的动作eg At this moment yesterday, I was packing for camp.2.用于故事的开头，交代故事发生的背景情况eg One night, he was typing in his study . Suddenly , a man broke …3.表示在过去的未来时间要发生的动作eg We left there when its getting dark. 过去完成时 1.发生在“过去的过去”eg When I woke up, it had stopped raining. 2.与一个表示过去的时间状语连用eg Peter had collected more than 300 Chinese stamps by the time he was ten.3.在过去某时之前