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)教学文案.ppt

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1、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)基本结构一般现在时除主语是第三人称单数时谓语动词要加一般现在时除主语是第三人称单数时谓语动词要加s外，外，一律用动词原形。一律用动词原形。例句：I go to school at 6 every morning.每天早上我七点去上学。Summer follows spring.春天之后是夏天。The sun rises in the east.太阳从东方升起。I learned that the earth goes around the sun when I was in primary school.我在小学

2、就学过地球是围绕太阳转的。Pride goes before a fall.骄者必败。基本结构由由 will 加动词原形构成，当主语是第一人称时，加动词原形构成，当主语是第一人称时，也可以用也可以用 shall 加动词原形。加动词原形。例如：Telephone me this evening.Ill be at home.今晚给我打电话，我会在家。Ill(shall/will)do a better job next time.下次我要干得好些。The car wont start.车开不了啦。Oil and water will not mix.油和水没法混在一起。现在进行时现在进行时1.说

3、话、写文章的当刻正在发生的动作说话、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现在进行时由 am/is/are

4、加现在分词构成。加现在分词构成。例句：Theyre having a meeting.他们在开会。Im studying at an evening school.我在上夜校。Mike is coming home on Thursday.迈克星期四回来。Theyre having a party next week.下星期他们将开一个晚会。Youre 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)Shes always helping people.她老是帮助别人。

5、(赞扬)过去进行时过去进行时1.表示在过去某时刻正在进行的动作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用于故事的开头，交代故事发生的背景情况况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.过去完成时过去完成时1.发生在发生在“过去的过去过去的过去

6、”eg When I woke up,it had stopped raining.2.与一个表示过去的时间状语连用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.在过去某时之前开始一直延续到这一时间在过去某时之前开始一直延续到这一时间eg By the end of last year,he had worked in the factory for twenty years.基本结构由由 had 加动词的过去分词构成。加动词的过去分词构成。例句：She sa

7、id she had never been to Paris.她说她从未去过巴黎。When the police arrived,the thieves had run away.警察到达时，小偷们早就跑了。By the time he was twelve,Edison had begun to make a living by himself.到了十二岁那年，爱迪生开始自己谋生。现在完成时现在完成时1.表示截止现在业已完成的动作表示截止现在业已完成的动作eg By now,I have collected all the data that I need.2.表示发生在过去而对现在产生影响

8、、带来表示发生在过去而对现在产生影响、带来结果的动作结果的动作eg She has been to the United States.3.表示过去发生的动作持续到现在，并可能表示过去发生的动作持续到现在，并可能还要延续还要延续eg I have learned English for 8 years.基本结构由由 have 加动词的过去分词构成，主语是第三人称加动词的过去分词构成，主语是第三人称单数时，要将单数时，要将 have 改为改为 has。例句：I have seen the film already.我已经看过那部电影了。(现在我知道电影的内容了。)Have you seen my

9、 bag?你看到我的手提包了吗?(你知道它在哪里?)She has been a dancer for ten years.她已当了十年的舞蹈演员了。Weve planted thousands of trees in the past few years.过去几年我们种了成千上万棵树。过去将来时过去将来时1.宾语从句或间接引语中宾语从句或间接引语中eg He didnt expect that we would all be there.2.表示过去习惯性的动作表示过去习惯性的动作eg During that period,he would do this every day.3.表示过去的愿望、倾向，多用于否定句表示过去的愿望、倾向，多用于否定句eg They knew that we would never permit such a thing.基本结构过去将来时由would,was/were going to,was/were to was/were about to等加动词原形构成,也可由was/were on the point of加动名词构成。例句：I knew you would agree.我知道你会同意的。I said I would arrange everything.我说我来安排一切。