初中英语八种基本时态总结
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初中英语八种基本时态总结LELE was finally revised on the morning of December 16, 2020初中英语基本时态总结Ⅰ、一般现在时1、概念:1)表示经常性或习惯性的动作,常与表示频度的时间状语连用。
时间状语:always, usually, often, sometimes, seldom, never, every day, twice a week, on Sunday, etc.(提问用How often)例:I leave home for school at 7 every morning.Tom gets up at 6:00 every morning.2)客观真理,客观存在,科学事实。
例:The earth moves around the sun. 地球绕太阳转动。
Shanghai lies in the east of China. 上海位于中国东部。
3)格言或警句。
例:Pride goes before a fall. 骄者必败。
注意:宾语从句中,即使主句是过去时,从句谓语是客观真理也要用一般现在时。
例:Columbus proved that the earth is round. 哥伦布证实了地球是圆的。
2、结构:表状态 S+ am/is/are+ P (句中有实义动词不用be)表动作 S+V原+O (若主语是单三人称,谓动加s/es。
)3、句式变化:变疑问,有be把be提到主语前;无be在主语前加do/does,谓动变为原形。
变否定,有be在be后加“not”;无be在主语后加don’t/doesn’t,谓动变为原形。
例:①They are in the classroom. →Are they in the classroom? Yes, they are./No, they a ren’t. →They aren’t in the classroom②He often waters the flowers . → Does he often water the flowersYes, he does. / No, he doesn’t. →He doesn’t often water the flowersⅡ、一般过去时1、概念:1)表示在确定的过去时间里所发生的动作或存在的状态。
常用时间状语:yesterday, the day before yesterday, last week, just now, an hour ago, the other day, in 1982. at the age of 5, one day, long long ago, etc.例:Where did you go just now2)表示在过去一段时间内,经常性或习惯性的动作。
例:When I was a child, I often played football in the street.2、结构:表状态 S+ was/were+ P表动作 S+V过去式+O (注:句中有实义动词不用be)3、句式变化:变疑问,有be把be提到主语前;无be在主语前加did,谓动变为原形。
变否定,有be在be后直接加“not”;无be在主语后加didn’t,谓动变为原形.例:①She was in Xi’an last month. → Was she in Xi’an last monthYes, she was. /No, she wasn’t. →She wasn’t in Xi’an last month.② Danny grew a r ose just now, → Did Danny grow a rose just nowYes, he did. / No, he didn’t. →Danny didn’t grow a rose just now,Ⅲ、现在进行时:1. 概念:表示现阶段或说话时正在进行的动作。
时间状语:now, at this time, these days,以及有look, listen时。
例:Listen!The birds are singing.2、结构:S + am/is/are + doing助动现在分词3、句式变化:变疑问,把am/is/are提到主语前;变否定,在am/is/are后直接加“not”。
例:①I am writing a letter now. → Are you writing a letter nowYes, I am. /No, I’m not. →I am not writing a letter now. (注:am和not不能缩写。
)②The boys are playing football. → Are the boys playing football?Yes, they are. / No, they aren’t. →The boys aren’t playing football.Ⅳ、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动作。
.时间状语:at this time yesterday, at that time,at 8:00 yesterday,或有when / while引导的时间状语从句等。
例:We were having an English class at 9:30 yesterday morning.I was reading a book while my mother was watching TV.2、结构:S + was/were + doing3、句式变化:变疑问,把was/were提到主语前;变否定,在was/were后直接加“not”。
例:①At that time they were working in the garden. → Were they working inthe garden at that timeYes, they were. / No, they weren’t.→At that time they were working in the garden.②When he came in, I was reading a newspaper. →When he came in, were you reading a newspaperYes, I was. / No, I wasn’t.→When he came in, I wasn’t reading a newspaper.Ⅴ、一般将来时1. 概念:表示将要发生的动作或存在的状态。
时间词:tomorrow, tomorrow morning, at seven o'clock tomorrow evening, next year, this year, at the end of this term, from now,in ten minutes, in 2025例:They will do an experiment tomorrow afternoon.Brian is going to draw twenty pictures at the end of this term.2、结构:S +will+ V原+其他(will 可改为be going to ,当主语是第一人称时will可用shall)例:Which paragraph shall I read first 我先读哪一段呢?Will you/(Are you going to)be at home at seven this evening3、句式变化:变疑问,把will提到主语前;变否定,在will后直接加“not”。
例; She will drive to Beijing next week. → Will she drive to Beijing next weekYes, she will. / No, she won’t. →She won’t drive to Beijing next week.★ be going to + V原表示a. 主语的意图,即将做某事。
例:What are you going to do tomorrowb. 计划,安排要发生的事。
例:The play is going to be produced next month。
c. 有迹象要发生的事。
例:Look at the dark clouds, there is going to be a storm.★ be +不定式:表示将来,按计划或正式安排将发生的事。
例:We are to discuss the report next Saturday. 我们下星期六将讨论这份报告★用现在进行时表示将来come, go, arrive, leave, start, begin, return等终止性动词可用现在进行时表示将来。
例:I'm leaving tomorrow. 明天我要走了。
Are you staying here till next week 你会在这儿呆到下周吗?Ⅶ、现在完成时:1. 表示:①过去发生或已经完成的动作对现在造成的影响或结果。
时间词:ever, never, already, yet, before, just, recently/ lately(最近), in the past few years2. ②或从过去已经开始持续到现在的动作或状态。
时间词:for + 时间段,since +过去时间点/从句。
(提问用How long)例:The countryside has changed a lot in the past few years.He has learned French for two years.2.结构:S + have/has + done助动过去分词3. 句式变化:变疑问,把have/has提到主语前;变否定,在have/has后直接加“not”。
例:① I've already written an article. → Have you written an article yet Yes, I have. / No, I haven’t. →I haven’t written an article yet.② Li Ming has lived in Shijiazhuang since 1993.→ Has Li Ming lived in Shijiazhuang since 1993 Yes, he has. / No, he hasn’t.→Li Ming hasn’t lived in Shi jiazhuang since 1993.★比较一般过去时与现在完成时1)一般过去时表示过去某具体时间发生的动作或单纯叙述过去的事情,强调动作;现在完成时则强调过去发生的动作对现在的造成影响,强调的是结果。