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英语动词第三人称单数变化规则
一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,
其规律为:
规则
get
1
、
一般情况下,直接在动词词尾
+s
take
play
guess
fix
2
、以
s, x, sh, ch,
o
结尾的动词,在词
尾
+
es
finish
teach
go
和
do
study
try
3
、以辅音字母
+
y
结尾的动词,先把
y
变为
i
,再加
es
fly
carry
worry
4
、不规则动词(特殊情况)
have
be
原形
第三人称单数形式
gets
>
takes
plays
guesses
fixes
'
finishes
teaches
goes
和
does
studies
(
tries
flies
carries
worries
has
is
1
、变否定句:
含有动词第三人称单数
形式的句子变否定句时,要在动词前面加上
doesn
’
t
或
does not
,
动词的第三人称单数形式要还原成原形:
格式为
doesn
’
t/does not
+
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.
2
、变一般疑问句:
把含有动词第三人称单数形式的变成一般疑问句时,要
p>
借用助动
词
does
,如:
She goes home at five
every day.
→
Does
she go home at five every day
--- Yes, she does./No, she
doesn
’
t.
< br>3
、对划线部分进行提问(变特殊疑问句)
:一般格式为
Whxxx +
一般疑问句
She goes home at five every day.
(
对划线部分提问
)
→
When/What time does she go
home every day
She goes home
at five every day.
(
对划线部分提问
)
]
→
Who goes home at five every
day
She goes
home at five every day.
(
对划线部分提问
)
→
What does she do at five
every day
哪些主语是第三人称单数
1
、
人称代词
he, she,
it
;
如:
He likes watching TV.
他喜欢看电视。
She has
lunch at twelve.
她十二点吃午餐。
It looks like a cat.
它看起来像只猫。
2
、单个人名、地名或称呼作主语;是第三人称单数。如:
Han Mei looks like her mother.
韩梅看起来像她的母亲。
,
Beijing is in
China.
北京在中国。
Uncle Wang often makes cakes.
王叔叔经常做蛋糕。
3
、单数可数名词或
this /
that / the +
单数可数名词作主语时,是第三人称单数;
A horse is a useful animal.
马是有用的动物。
This
book is yours.
这本书是你的。
That car is red.
那辆小汽车是红色的。
The
cat is Lucy's.
只猫是露茜的。
4
、不定代词
someone,
somebody, nobody, everything,
something
等及指示代词
this,
that
作主语时,是第三人称单数。如:
Everyone is here.
大家到齐了。
@
There is
something wrong with the watch.
这块手表有毛病。
This is
a pen.
这是一支钢笔。
That is an eraser.
那是一块橡皮擦。
5
、
不可数名词作主语时为第三人称单数
。如:
The milk is in the
glass.
牛奶在玻璃杯里。
The bread is very small.
那面包很小。
The water
is very cold.
那些水很凉。
6
、当数字或字母作主语时,看作第三人称单数。如:
“
7
”
is
a lucky number in western countries, but
“
8
”
is
a lucky number in China.
“
7<
/p>
”在
西方国家是个吉利数字,但在中国“
8
”是个吉利数字。
“
I
”
is
a letter and a word.
“
I
”
既是个字母,又是单词。
:
例题引路:
1
、写出下列动词的第三人称单数。
drink ________
go _______
stay ________
make ________
look _________
have_______
pass_______
carry _______
come________
watch________
plant_______
fly ________
study_______
brush________
teach________
2
、用括号内动词的适当形式填空。
1. He often ________(have) dinner at
home.
2. We _____________
(not watch) TV on Monday.
3.
Nick ___________ (not go) to the zoo on
Sunday.
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