小学四种时态句子结构以及各种时态标志词_小学英语四种时态专题

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小学四种时态句子结构以及各种时态标志词

一般现在时的句型结构

一般现在时的标志:sometimes, often, usually, always, every day, five days a week, three times a month等.含有be动词的句子结构的变化:

①肯定句:主语 + be(am,is,are)+ 其他。如:I am a boy.我是一个男孩。②否定句:主语 + be + not + 其他。如:He is not a worker.他不是工人。③一般疑问句:Be +主语+其它?如:-Are you a student? Yes.I am./ No, I'm not.④特殊疑问句:疑问词+一般疑问句?如:Where is my bike? 含有行为动词的句子结构的变化:

①肯定句:主语+行为动词(+其它)。如:We study English.我们学习英语。②否定句:主语+ don't(doesn't)+ 动词原形(+其它)。如:I don't like bread.He doesn't often play.③一般疑问句:Do(Does)+ 主语 + 动词原形 + 其他? 如:-Do you often play football? Yes, I do./ No, I don't.-Does she go to work by bike? Yes, she does./ No, she doesn't.④特殊疑问句:疑问词+一般疑问句?即:疑问词+ Do(Does)+主语+动词原形+其他? 如:How does your father go to work?

一般过去时句型结构

一般过去时标志词:yesterday, last ···, the other day, the day before yesterday, ago和过去的某个时间,具体如下:

(1)yesterday, yesterday morning/afternoon/evening , last week, last year, at the end of last term/week/month/year等,(2)一段时间+ago如:ten years ago, five hours ago,(3)过去的某个时间,如: on January 1st,2004, in the 1980s等.1.含有be动词的句子结构的变化:

⑴am 和is在一般过去时中变为was。(was not=wasn’t)⑵are在一般过去时中变为were。(were not=weren’t)

⑶带有was或were的句子,其否定、疑问的变化和is, am, are一样,即否定句在was或were后加not,一般疑问句把was或were调到句首,特殊疑问句的结构为:疑问词+一般疑问句。2.含有行为动词的句子结构的变化:

肯定句:主语+动词过去式+其他。如:Jim went home yesterday.否定句:主语+didn’t +动词原形。如:Jim didn’t go home yesterday.一般疑问句:Did+主语+动原+其他?如:Did Jim go home yesterday? 特殊疑问句:⑴疑问词+did+主语+动词原形+其他?如:What did Jim do yesterday? ⑵疑问词当主语时:疑问词+动词过去式+其他? 如:Who went to home yesterday?

一般将来时句型结构

一般将来时标志词:this morning, this Sunday, tomorrow, next, soon, later, in a few days, in the future,from now on,或者未来的某个时间,如in the year 2500等。1.用be going to 表达

① 肯定句:主语+be(am/is/are)+ going to + 动词原形+其他 如:We are going to have a football match in six days.我们六天后将要进行足球比赛。② 否定句:主语+be(am/is/are)+ not + going to + 动词原形+其他 如:We aren't going to have a football match in six days.我们六天后将不进行足球比赛。③ 一般疑问句:Be(am/is/are)+主语+going to + 动词原形+其他? 如:Are you going to have a football match in six days? 你们六天后将进行足球比赛吗?

④特殊疑问句:疑问词+一般疑问句?即:疑问词+ am/ is/ are + 主语+going to + 动词原形+其他? 如:When are we going to have a football match? 2.用will/shall表达 ①肯定句:主语+will / shall(常用于第一人称)+ 动词原形+其他 如:She will go to Beihai Park tomorrow.她明天将要去北海公园。

②否定句:主语+will / shall(常用于第一人称)+ not + 动词原形+其他 如:She won't go to Beihai Park tomorrow.她明天不去北海公园。③ 一般疑问句: Will / shall(常用于第一人称)+主语 + 动词原形+其他? Will she go to Beihai Park tomorrow? 她明天将要去北海公园吗? ④特殊疑问句:疑问词+一般疑问句?

即:疑问词+ Will / shall(常用于第一人称)+主语 + 动词原形+其他? 如:What will she do tomorrow?

现在进行时句型结构

现在进行时标志词:now, at the moment, look, listen, when, at+时间等。

1)肯定句:主语+am/ is/ are + V-ing + 其他。如:Nancy is reading a book now.南茜正在读书。

The twins are playing in their bedroom.那对双胞胎正在卧室里玩。2)否定句:主语+am/ is/ are +V-ing + not + 其他。

如: Nancy isn’t reading a book now.南茜没有正在读书。

The twins aren’t playing in their bedroom.那对双胞胎没有正在卧室里玩。

3)一般疑问句:Am/ Is/ Are+ 主语+ V-ing + 其他?

如:Is Nancy reading a book now? 南茜正在读书吗?

Are the twins playing in their bedroom? 那对双胞胎正在卧室里玩吗?

4)特殊疑问句:疑问词+一般疑问句?即:疑问词+ am/ is/ are + 主语+ V-ing + 其他?

如:What are they doing now? Where is he playing?

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