do第三人称单数
Hi,大家好,我是Echo。
动词的第三人称单数形式作为英语初学者的重难点,一直让人饱受“煎熬”。那么,今天Echo就给大家整理出一些关于动词单三形式的用法以及相关的练习题。
什么是第三人称单数?
人称可分为三类:第一人称、第二人称和第三人称。
第一人称:I(我)we(我们)
第二人称:you(你)you(你们)
第三人称:he、she、it、they(他/她/它们)和人名、 称谓类(如:Alice、Kitty、my father、your brother、Miss White等)
结合以上知识,第三人称单数就是he、she、it、人名、称谓。动词为什么要变成相应的单三形式?
在一般现在时中,跟在第三人称单数后面的动词也要变成相应的单三形式,例如:
I watch(看)TV every day.
如果主语是单三,动词(watch)要变化:
——- He watches TV every day.
——- She watches TV every day.
——- Kevin watches TV every day.
动词单三的变化规则
01
一般情况下直接加s,如take-takes, like-likes, play-plays,drive-drives
02
以s, x, sh, ch, o 结尾的加es,如 go-goes, do-does, watch-watches,teach-teaches
03
以辅音字母+y 结尾的,改y 为i 再加es,如 study-studies,try-tries
04
特殊变化,如 have-has
does和doesn’t 在句子中的用法
否定句:主语+don’t/doesn’t+动词原形+(其他)。如:
I don’t have cats. 我没有猫。
当主语为第三人称单数时,要用doesn’t 构成否定句。如:
He doesn’t have cats. 他没有猫。
注意doesn’t后面用动词原形have,而不是has.
一般疑问句:Do / Does+主语+动词原形+(其他)。如:
Do you go to school on foot?
肯定:Yes, I do. 否定:No, I don’t.
Does he go to school on foot?
肯定:Yes, he does.否定:No, hedoesn’t.
动词单三专项练习
1. He ________(have) dinner(晚餐)at home.
2. Alice and Tom _______ (be) in Class 1.
3. We _______ (not watch) TV on Monday(星期一).
4. Kevin _______ (not go) to the zoo on Sunday(星期天).
5. ______ they ________ (have) dogs?
6. What _______ they _______(do) at home?
7. _______ your mother and father _______ (go) to the zoo by car?
8. The girl _______ (teach) us English(英语)on Sundays(星期天).
9. She and I ________(take) a bus to school.
10. There ________(be) some water in the bottle(瓶子).
11. Mike _______ (like) cooking(做饭).
12. They _______ (have) many toys.
13. My grandma _______ (like) cats very much.
14. You _______ (do) your homework(家庭作业)well.
15. I _______ (be) very well.
16. She _______(go) to school from Monday(星期一)to Friday(星期五).
17. Liu Tao _______(do) not like PE(体育课).
18. Su Hai and Su Yang _______(have) eight lessons(课)this term(学期).
19.-What day _______(be) it today(今天)?
- It’s Saturday(星期六).
注意:在做题过程当中,先圈出主语是谁,之后判断动词的变化哦!
(文末附答案)
动词单三形式专项练习答案
has
are
don’t watch
doesn’t go
Do have
do do
Do go
teaches
take
is
likes
have
likes
do
am
goes
does
have
is
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