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1、初中英语基本时态总结、 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。

2、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

3、在be后加“not”;无be在主语后加dont/doesnt,谓动变为原形。例: They are in the classroom. Are they in the classroom? Yes, they are./No, they arent. They arent in the classroom He often waters the flowers . Does he often water the flowers? Yes, he does. / No, he doesnt. He doesnt often water the flowers、 一般过去时1、 概念:1)表示在确

4、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 now? 2)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

5、+ 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didnt,谓动变为原形.例: She was in Xian last month. Was she in Xian last month? Yes, she was. /No, she wasnt. She wasnt in Xian last month. Danny grew a rose just now, Did Danny grow a rose just now? Yes, h

6、e did. / No, he didnt. Danny didnt grow a rose just now,、 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: I am writing a letter now. Are you writ

7、ing a letter now? Yes, I am. /No, Im not. I am not writing a letter now. (注:am和not不能缩写。) The boys are playing football. Are the boys playing football?Yes, they are. / No, they arent. The boys arent playing football.、 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、 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 + doing 3、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:At that time they were working in the garden. Were they working in

9、 the garden at that time? Yes, they were. / No, they werent.At that time they were working in the garden. When he came in, I was reading a newspaper. When he came in, were you reading a newspaper? Yes, I was. / No, I wasnt.When he came in, I wasnt reading a newspaper.、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

10、:tomorrow, tomorrow morning, at seven oclock 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

11、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 evening? 3、 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 week? Yes, she will. / No, she wont. She wont drive to Beijin

12、g 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 tomorrow? b. 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

13、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:Im 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?、 现在完成时: 1. 表示: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. 或从过去已经开始持续到现在的动作或状态。

14、 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: Ive already written an article. Have you written an article yet? Yes, I hav

15、e. / No, I havent. I havent written an article yet. Li Ming has lived in Shijiazhuang since 1993. Has Li Ming lived in Shijiazhuang since 1993? Yes, he has. / No, he hasnt.Li Ming hasnt lived in Shijiazhuang 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。2)一般过去时常与具体的时间状语连用,而现在完成时通常与模糊的时间状语连用,或无时间状语。例:I saw this film yesterday. (强调看的动作发生过了)I have seen this film. (强调对现在的影响,电影的内容已经知道了)Why did you get up so early? (强调起床的动作已发生过了)Who hasnt handed in his paper? (强调有卷子未交,指结果)He joined the League

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