内容正文:
【小升初】2022-2023学年小学英语语法专项
(讲义+练习)13 一般现在时(外研版三起)
一、一般现在时的用法
一般现在时表示经常性、规律性或习惯性的动作或状态。含有always, often, usually, sometimes, never, every+时间词等时间状语的句子要用一般现在时。如果句子中的主语是第一、第二人称或其他复数形式的名词,动词用原形;如果主语是第三人称单数形式或其他表示单数概念的名词,动词用第三人称单数形式。
We finish our homework on time at home every day.
He always goes to school at about 7:00 in the morning.
二、动词第三人称单数形式的变化规则
1. 一般情况下,直接在动词词尾加s。
read—reads,play—plays
2. 以s, x, o, sh, ch结尾的动词,在词尾加es。
go—goes,wash—washes
3. 以辅音字母加y结尾的动词,把y改为i再加es。
study—studies,fly—flies
4. 特殊形式:have—has,be—is
三、一般现在时的句型结构
1. 含有be 动词的句子
(1)肯定句: 主语+be 动词+其他.
I'm 14 years old this year.
(2)否定句:主语+be动词+not+其他.
I am not in Grade 4 this year.
(3)一般疑问句:Be+主语+其他?
Are you from America?
2. 含有第三人称单数形式实义动词的句子
(1)肯定句: 主语+实义动词的三单形式+其他.
Mike plays computer games every Saturday afternoon.
(2)否定句:主语+does not(doesn't)+实义动词(原形)+其他.
Mike doesn't play computer games every Saturday afternoon.
(3)一般疑问句:Does+主语+实义动词(原形)+其他?
Does Mike play computer games every Saturday afternoon?
3. 含有原形实义动词的句子
(1)肯定句:主语+ 实义动词(原形)+其他.
We study in Dongjie Primary School.
(2)否定句:主语+do not(don't)+实义动词(原形)+其他.
We do not (don't)study in Dongjie Primary School.
(3)一般疑问句:Do+主语+实义动词(原形)+其他?
Do you study in Dongjie Primary School?
专项练习
一、写出下列动词的第三人称单数形式。
1. sit ______ 2. swim ______ 3. go ______
4. make ______ 5. run ______ 6. write ______
7. cry ______ 8. study _______ 9. watch _______
10. wash ______ 11. say _____ 12. play ______
13. become _________ 14. shine _________ 15. fly _________
16. teach _________ 17.have _________ 18.finish ________
19.look_________ 20.pass_______ 21.carry ________
22.come________ 23.read_______ 24.brush________
二、单项填空。
( )1. He ____ to school from Monday to Friday.
A. go B. goes C. going
( )2. The earth ____ around the sun.
A. moving B.moves C. moved
( )3. Miss Li ____ musi