动词第三人称单数的变化规则及练习
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2021年01月20日 22:33
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动词第三人称单数的变化规则及练习
一、
使用情况：
在一般现在时中，
当主语是第三人称单数时，
谓语动词
要用第三
人称单数形式，即常在动词原形后加
-s
或
-es
。
(
标志词
usually
often
always
sometimes
never
every
等
)
二、
变化规则
1
、直接在动词后
+s
例如：
like- likes
play-plays
2
、以
s, x, sh, ch,
接尾的动词：
+es
例如：
wash-washes
3
、以辅音
+o
接尾的动词：
+es
例如：
go-goes
4
、以辅音字母
+y
接尾的动词：变
y
为
i+es
例如：
fly-flies
以元音字母
+y
接尾的动词后
+s
例如：
play- plays
5
、
除上述规律外，还应注意下面三点：
1)
动词
have
，遇到主语是第三人称单数时，要用
has
；
动词
be
的第三人称
单数形式是
is
。
2
）
含有动词第三人称单数形式的句子变否定句时，要用
doesn't +
动词原形
，
如：
He goes to school at six in the morning. (
变否定句
)
→
He doesn't go to school
at six in the
morning.
3)
对含有动词第三人称单数形式的句子提问时，要用助动词
does
如：
She
goes
home
at
five
every
day.
(
对划线部分提问
)
→
When
/
What
time
does she go
注意：
不规则变化：
have-----has
，
be -------is
，
do-----does
I
写出下列动词的第三人称单数
(-s)
和现在分词
(-ing)
go
do
play
jump
swim
run
put
sing
dance
come
get
have
fly
study
read
write
look
drink
eat
walk
like
II
选择
1.
Ben_____a new book.
A. have
B. has
C. haves
D. were
2.
Ben and Mary
some books.
A. have
B. has
C. are
D. were
3.
I
some stories every day.
A. have
B. has
C. are
D. were
4.I __________ ice cream.
5. Kitty__
English every day
g
6.A man _____in front of his car.
g
7
.Sam’s bicycle ______a bell.
B has
having
8.I
every day
g
his homework every day.
10. I ________ my homework every day.
________ their homework every day.
A. do
C. is
_______with her hands.
ng
s
og________the boys
irl and Superdog______them.
saving
_______their cow.
g
selling
______up the beanstalk.
giant ______boys.
A.e
ating
’t eat
goose_______golden eggs.
woman_______the beanstalk.
g
cut
mother ______the beanstalk.
take
Ctakes
D. taking
19Jack andher mother _____happer
D. have
____the beans in the ground.