Question

怎么改第三人称单数形式

Answer 1

动词变为第三人称单数形式,一般分三种情况：
1、动词末尾直接+s ,
2、以ch sh s x o结尾的动词,后面+es ,
3、以辅音字母+y结尾的动词,把y变为i 再加es
这样不规则的动词还有：
do-does
be-is,was
have-has
go-goes
情态动词没有人称变化,因此以下的情态动词三单不变：
can-can
may-may
must-must
need-need
will-will
shall-shall
dare-dare
ought-ought

Answer 2

1、直接在动词后加s

如：run—runs；dance—dances

2、以s，sh，ch，o结尾的加es

如：do—does；go—goes；wash—washes；catch—catches

3、以辅音字母加y结尾的改y为i加es

如：study—studies；carry—carries；fly – flies

4、不规则变化

have-has ；

5、be动词只使用is

如：My mum is Jenny； His name is Jerry; He is 10.

6、否定形式– not或doesn't 来帮忙

如： He is not(isn't) Cindy；

Jack does not（doesn't）like eating eggs.

Answer 3

直接在动词后加s
如：run—runs；dance—dances
2、以s，sh，ch，o结尾的加es
如：do—does；go—goes；wash—washes；catch—catches
3、以辅音字母加y结尾的改y为i加es
如：study—studies；carry—carries；fly – flies
4、不规则变化
have-has ；
5、be动词只使用is
如：My mum is Jenny； His name is Jerry;  He is 10.
6、否定形式– not或doesn't 来帮忙
如： He is not(isn't) Cindy；
Jack does not（doesn't）like eating eggs.

Answer 4

say第三人称单数

Answer 5

1.＋s
2.sh th ch后加es
3.改y为i＋es