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1、word初中英语8种时态复习I. 时态详解一、一般现在时：概念：表现在存在的状态； 现在经常、反复发生的动作。时间状语：always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays, etc.根本结构：主语+beam,is,are; 主语+行为动词原型 单三形式主语 + 动词单三形式否认形式：am/is/are+not; (is+not=isnt; are+not=arent) 此时态的谓语动词假如为行为动词，如此在其前加dont,如主语为第三人称单数，如此用doesnt，同时
2、复原行为动词。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，如此用does，同时，复原行为动词。二、一般过去时：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。时间状语：ago, yesterday, the day before yesterday, last week(year, night, month), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.根本结构：主语 +bewas,were; 主语 + 动词过去式否认形
3、式：was/were+not; (was+not=wasnt; were+not=werent) 在行为动词前加didnt，同时复原行为动词。一般疑问句：was或were放于句首; 用助动词did提问，同时复原行为动词。三、现在进展时：概念：表示现阶段或说话时正在进展的动作与行为。时间状语：now, look, listen, at this time, these days, etc.根本结构：be(am,is,are)+doing否认形式：be(am,is,are)+not + doing.一般疑问句：把be动词放于句首。四、过去进展时：概念：表示过去某段时间或某一时刻正在发生或进展的行为
4、或动作。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。根本结构：be(was,were)+doing否认形式：be(was,were) + not + doing. 一般疑问句：把was或were放于句首。五、现在完成时：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; 从过去已经开始，持续到现在的动作或状态谓语动词必须是延续性动词，常和since,for 连用 。时间状语：already, yet, so far, recently, lately, sincefor,in the past/las
5、t few years, etc.根本结构：have/has + done否认形式：have/has + not +done. (have+not=havent; has+not=hasnt)一般疑问句：have或has提到句首。六、过去完成时：概念： “过去的过去发生的动作； 从过去某一时间持续到过去另一时间的动作，谓语动词必须是延续性动词，常和since,for 连用 。时间状语：already, yet, since, for,before, by the end of last year(term, month), by the time,etc.根本结构：had + done.否认形
6、式：had + not + done.(had+not=hadnt) 一般疑问句：had放于句首。七、一般将来时：概念：表示将要发生的动作或存在的状态与打算、计划或准备(be going to )做某事。时间状语：tomorrow, next day(week, month, year),soon, in a few minutes, by,the day after tomorrow, etc.根本结构：be(am,is ,are) going to + do; will/shall + do.否认形式：be + not + going to + do; will/shall + not +
7、 do。(will+not=wont; shall+not=shant)一般疑问句：be放于句首; will/shall提到句首。八、过去将来时：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。时间状语：the next(第二) day(morning, year),the following month(week),etc.根本结构：be(was,were)going to + do; would/should + do.否认形式：be+ not + going to + do; would/should + not + do. (would+not=wouldnt; should
8、+not=shouldnt)一般疑问句：be放于句首; would/should提到句首。.几种常见时态的相互转换英语中的几种时态在一定情况下可以互相转换，以下是几种常见的转换形式：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：瞬间动词用于“一段时间+ ago的一般过去时的句型中;瞬间动词可改成与之相对应的延续性动词与短语，与一段时间连用;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;瞬间动词用于“Some
9、 time has passed since + 一般过去时的句型中。请看：A. He joined瞬间动词 the League two years ago.B. He has been in延续动词 the League for two years.C. It is two years since he joined the League.D. Two years has passed since he joined the League.二、一般现在时与现在进展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
10、可与进展时态转换。请看：Peter is at work, but Mike is at play.Peter is working, but Mike is playing.三、现在进展时与一般将来时的转换在现在进展时态中go, e, 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 ing, Mum!意为“我就来，妈妈!请看：The train is leaving soon.The train will leave soon.四、“be going to+动词原形与“will(shall)+动词原形结构的转换“be going to
11、+动词原形、表示打算、计划要做的事;将来时“will(shall)+动词原形结构在书面语中，当主语为第一人称时，常用助动词shall。在口语中，所有人称都可以用will。请看：We are going to visit the Great Wall next Sunday.We shall visit the Great Wall next Sunday.专题练习一过去进展时专练1. I _ (have) my breakfast at half past six yesterday morning.2. Mary _ (go) over her lessons from six to sev
12、en last night. John and peter _(do) the same thing.3. What _ you _ (do) at that time? We _ (watch) TV.4. Was your father at home yesterday evening? Yes, he was. He _ (listen) to the radio.5. They _(not make) a model ship when I saw him.6. _ they _ (have) a meeting at 4 yesterday afternoon?No, they _
13、. They _ (clean) the classroom.7. _ it _(rain) when you left school? Yes, it _. (No, it _)8. What _ your father _ (do) when he was your age?9. One day, Edison _ (wait) for a train to arrive, and suddenly a little boy ran to the track(轨道) to play.10. He asked me if I _ (go) fishing that afternoon.11.
14、 The three of them were in a hurry because their plane _ (leave) in five minutes.12. In a letter, john told us that he _ (e) to china next month.13. When the bell rang, Jenny _ (wait) in her seat.14. She _ (make) her dress the whole afternoon.15. While my father _ (look) through the evening paper, he suddenly _ (hear) a cry.16. I _ (telephone) a friend when Bob _ (e) in.17.While mother _ (put) Cathy to bed, the door bell _ (ring).18. As I _ (walk) in the park, it _ (begin) to rain.Key: 1.was having 2.was going,were doing 3.were doi
