小学英语语法知识点汇总（三）
11.therebe结构肯定句：There is a …
Thereare …
一般疑问句: Is there …? Yes, there is./ No, there isn’t.
Arethere…?Yes, there are. /No, there aren’t.
否定句： There isn’t ….
Therearen’t….
12.祈使句
Sit down please
Don’tsit down, please.
13.现在进行时
通常用“now”.
形式： be + verb +ing
eg: I am(not) doing my homework.
You/We/They are(not) reading.
He/She/It is(not) eating.
动词—ing 的形式
Most verbs +ing walk—walking
Verbs ending in e -e + ing come—coming
Short verbs ending in a vowel + a consonant run –running swim—swimming
14.一般现在时
通常用 “usually, often, every day,sometimes”。
肯定句：
I go to school on foot every day.
She goes to school on foot every day.
一般疑问句:
Do you jump high? Yes, I do. / No, I don’t.
Does he jump high? Yes, he does. / No, he doesn’t.
否定句： We don’t go to school on Sundays.
My mother doesn’t like watching TV in the evening.
15.情态动词
can,must, should后面直接用动词原形。
eg: 1. I / He / She / They can sing.
2．You should keep quiet in the library.
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