小学四种时态句子结构以及各种时态标志词
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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
一般现在时的标志词:
sometimes, often, usually, always, every day,
five days a week, three times a month等.
1.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?
2.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?
一般过去时标志词:yesterday, last, the day before …, 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/mo nth/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?
一般将来时标志词:
tomorrow, next, soon, 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?
现在进行时标志词:now, at the moment, look, listen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?。