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小升初的英语考试内容涉及并不多,下面就是小编给大家带来的小学英语语法一般现在时的语法解析,希望能帮助到大家!
小升初英语语法解析:一般现在时
一:定义
一般现在时 (The simple present tense) :一般现在时表示现在经常反复发生的动作,存在的状态或习惯性的动作的时态。
二、一般现在时的用法:
1.表示经常或习惯性的动作。常与often(经常), always(总是), sometimes(有时), every day(每天)on Sundays/Mondays 等表示频度的时间状语连用。
一般现在时的时间状语有:today, often, sometimes, always, usually, every day ( week, month, year,…) , this year, once a week ( month, year, …)
例句:
I get up at 6 o’clock every day. 我每天早上6点钟起床。
He often goes to school by bike. 他经常骑自行车去学校。
2. 表示客观事实,普遍真理。
例句:
Two and two is four. 二加二等于四。
The earth moves around the sun. 地球绕着太阳转。
三、一般现在时的结构:
一般现在时用行为动词的原形,但第三人称单数作主语时,动词的词尾要加-s 或 - es。以下将对一般现在时的肯定句、否定句、疑问句及其答语的构成加以说明:
A、当谓语是be动词时,构成为:
肯定句:主语 + be动词 ( am, is, are ) + 其他。
I am a student.
否定句:主语+be动词 ( am, is, are ) + not +其他。
I am not a student.
疑问句:be动词 ( am, is, are ) + 主语 + 其他?
Am I a student?
肯定回答:Yes,主语 + be动词 ( am, is, are )
Yes, I am.
否定回答:No,be动词 ( am, is, are ) + not.
No, I am not.
B、当谓语是行为动词时,构成有两种:
(1)当主语为非第三人称单数时:
肯定句:主语+动词原形+其它
We watch TV at home.
否定句:主语+don't+动词原形+其它
We don’t watch TV at home.
一般疑问句:Do+主语+动词原形+其它
Do we watch TV at home?
肯定回答:Yes,主语+do
Yes, we do.
否定回答:No,主语+don't
No, we don’t.
(2)当主语是第三人称单数时:
肯定句:主语+动词s+其它
She reads books.
否定句:主语+doesn't+动词原形+其它
She doesn’t read books.
一般疑问句:Does+主语+动词原形+其它
Does she read books?
肯定回答: Yes,主语+does.
Yes, she does.
否定回答: No,主语+doesn't.
No, she doesn’t.
四、动词加-s 或-es (动词第三人称单数):
当主语是第三人称单数时,谓语动词需用动词的“三单变化”加-s 或-es。
1.一般在词尾加 –s
例:work --- works leave --- leaves swim --- swims
2. 以字母s,x,ch,sh 或o结尾的词加-es
例:pass--- passes fix ---fixes teach --- teaches do--- does
3. 以辅音字母加y结尾的词,先变y为i再加-es
例:study --- studies carry --- carries fly --- flies cry --- cries
4. 不规则变化:
be---- is /are have----has
例题:
1. _____ you read a book?
A Do B. Are C. Is D. Have
答案:A
2. ---Does Li Lei like to watch TV?
---____________
A. Yes, he like. B. No, he doesn’t. C. Yes, he’d like. D. No, he likes.
答案:B
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