英语时态总结_英语各种时态总结
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一、一般现在时
1.概念:经常、反复发生的动作或行为及现在的某种状况。
2.时间状语: Always, usually, often, sometimes, every week(day, year, month…), once a week(day, year, month…),on Sundays,3.基本结构:动词 原形(如主语为第三人称单数,动词上要改为第三人称单数形式)
4.否定形式:主语+am/is/are +not+其他;此时态的谓语动词若为行为动词,则在其前加don't, 如主语为第三人称单数,则用doesn't,同时还原行为动词。
5.一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词。
6.例句:.It seldom snows here.He is always ready to help others.Action speaks louder than words..[编辑本段]
二、一般过去时
1.概念:过去某个时间里发生的动作或状态;过去习惯性、经常性的动作、行为。
2.时间状语:ago, yesterday, the day before yesterday, last week, last(year, night, month…), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.3.基本结构:be动词;行为动词 的过去式
4.否定形式:主语+was/were +not+其他;在行为动词前加didn't,同时还原行为动词。
5.一般疑问句:was或were放于句首;用助动词do的过去式did 提问,同时还原行为动词。
6.例句:She often came to help us in those days.I didn't know you were so busy.[编辑本段]
三、现在进行时
1.概念:表示现阶段或说话时正在进行的动作及行为。
2.时间状语:Now, at this time, days, etc.look.listen
3.基本结构:主语+be +doing +其他
4.否定形式:主语+be +not +doing+其他
5.一般疑问句:把be动词放于句首。
6.例句: How are you feeling today?
He is doing well in his leons.[编辑本段]
四、过去进行时
1.概念:表示过去某段时间或某一时刻正在发生或进行的行为或动作。
2.时间状语:at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。
3.基本结构 主语+was/were +doing +其他
4.否定形式:主语+was/were + not +doing+其他
5.一般疑问句:把was或were放于句首。(第一个字母大写)
6.例句:At that time she was working in a PLA unit.When he came in, I was reading a newspaper.[编辑本段]
五、现在完成时
1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。
2.时间状语:yet,already,just,never,ever,so far,by now,since+时间点,for+时间段,recently, lately, in the past few years, etc.3.基本结构:主语+have/has +p.p(过去分词)+其他
4.否定形式:主语+have/has + not +p.p(过去分词)+其他
5.一般疑问句:have或has。
6.例句:I've written an article.The countryside has changed a lot in the past few years.[编辑本段]
六、过去完成时
1.概念:以过去某个时间为标准,在此以前发生的动作或行为,或在过去某动作之前完成的行为,即“过去的过去”。
2.时间状语:Before, by the end of last year(term, month…), etc.3.基本结构:主语+had + p.p(过去分词)+其他
4.否定形式:主语+had + not +p.p(过去分词)+其他
5.一般疑问句:had放于句首。
6.例句:As soon as we got to the station, the train had left.By the end of last month.We had reviewed four books
基本结构:主语+had+p.p(过去分词)+其他
①肯定句:主语+ had+p.p(过去分词)+其他
②否定句:主语+ had+ not+p.p(过去分词)+其他
③一般疑问句:Had+主语+p.p(过去分词)+其他
④特殊疑问句:特殊疑问词+一般疑问句
[编辑本段]
七、一般将来时
1.概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。
2.时间状语:Tomorrow, next day(week, month, year…),soon, in a few minutes, by…,the day after tomorrow, etc.3.基本结构:主语+am/is/are +going to + do+其他;主语+will/shall + do+其他
4.否定形式:主语+am/is/are not going to do ;主语+will/shall not do+其他
5.一般疑问句:be放于句首;will/shall提到句首。
6.例句:They are going to have a competition with us in studies.It is going to rain.[编辑本段]
八、过去将来时
1.概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中。
2.时间状语:The next day(morning, year…),the following
month(week…),etc.3.基本结构:主语+was/were +going to + do+其他;主语+would/should + do+其他
4.否定形式:主语+was/were/not + going to + do;主语+would/should + not + do.5.一般疑问句:was或were放于句首;would/should 提到句首。
6.例句:He said he would go to Beijing the next day.I asked who was going there.[编辑本段]
九、将来完成时
1.概念:在将来某一时刻之前开始的动作或状态
2.时间状语:by the time of;by the end of+时间短语(将来);by the time+从句(将来)
3.基本结构:主语+be going to/will/shall + have+p.p(过去分词)+其他4例句:By the time you get back, great changes will have taken place in this area.[编辑本段]
十、现在完成进行时
1.概念:表示从过去某一时间开始一直延续到现在的动作。这一动作可能刚刚开始,也可能仍在继续,并可能延续到将来。
2.基本结构:主语+have/has +been +doing+其他
3.时间状语:since+时间点,for+时间段等。
4.例子:I have been sitting here for an hour.The children have been watching TV since six o'clock.[编辑本段]
十一、一般过去时与现在完成时的转换
在现在完成时中,延续性动词能与表示一段时间的状语连用,瞬间动词却不能。但是,可用别的表达方式:①瞬间动词用于“一段时间 + ago”的一般过去时的句型中;②瞬间动词可改成与之相对应的延续性动词及短语,与一段时间连用;③瞬间动词用于“It is + 一段时间 + since + 一般过去时”的句型中,表示“自从……以来有……时间”的意思,主句一般用it is来代替It has been;④瞬间动词用于“Some time has paed since + 一般过去时”的句型中。请看:
A.He joined the League two years ago.B.He has been in the League for two years.C.It is two years since he joined the League.D.Two years has paed since he joined the League.[编辑本段]
十二、一般现在时与现在进行时的转换
在一般现在时中,at加上名词表示“处于某种状态”,如at work(在工作), at school(上学、上课)等。此短语可与进行时态转换。请看:
Peter is at work, but Mike is at play.Peter is working, but Mike is playing.[编辑本段]
十三、现在进行时与一般将来时的转换
在现在进行时态中go, come, leave, start, arrive等动词常与表示将来的时间状语连用表示将要发生的动作。如:I am coming, Mum!意为“我就来,妈妈!”请看:
The train is leaving soon.The train will leave soon.