内容正文:
三年级英语·上册 10
语法点四 情态动词 can
语法一点通 读一读,学会情态动词 can 的用法
含义:can可以表示能力,意思是“能,能够”;也可
以表示许可,意思是“可以,能”。
链接教材功能句式:
1.You
cant
run
fast.
你不能跑得快。
2.I
can
jump
far.
我能跳得远。
3.What
can
you
see? 你能看见什么?
01
肯定句式
主语+can+动词原形+其他.
例:You
can
have
a
cake.
你可以吃一块蛋糕。
02
否定句式
主语+can+not+动词原形+其他.
例:You
cant
have
a
cake.
你不可以吃蛋糕。
03
疑问句式
一般疑问句:Can+主语+动词原形+其他?
例:Can
I
have
a
drink?
我能喝一杯饮料吗?
特殊疑问句:特殊疑问词+can+主语+动词原形+其他?
例:What
can
you
see? 你能看见什么?
04
记忆小口诀
can表能力和许可,但与实动不分离。不管主语怎
么变,can的样子永不变。只要句中出现can,动词
原形后面站。一般疑问can提前,否定can后not
添。问答语句有你我,两个人称要互换。
名师点睛
1.表能力
例:I
can
dance.
我会
跳舞。
I
cant
swim.我不会
游泳。
2.表许可
例:Can
I
come
in? 我
能进来吗?
多学一点
情态动词是表示说话
人的语气和态度的动
词。情态动词没有人
称和数量的变化。常
见的情态动词有can、
could、may、must、wil、
would、shal、should、
need等。
三年级英语·上册 11
语法自主测 测一测,看你掌握了多少
Ⅰ.单项选择。(难度☆)
( )1.—Can
you
sing
and
dance?
—
A.Yes,
I
do.
B.No,
I
cant.
C.No,
I
can.
( )2.—Can
he
do
the
long
jump?
—
A.Yes,
he
do. B.No,
he
can. C.No,
he
cant.
( )3.Amy
can
.
A.playing
drums B.play
drums C.play
the
drums
( )4.I
ride
a
bike.
But
I
drive
a
car.
A.cant;
can B.cant;
cant C.can;
can
( )5.Lingling
play
the
piano,
but
she
can
play
the
guitar.
A.can B.isnt C.cant
( )6.You
can
in
the
library.
A.run
fast B.read
books C.sing
a
song
( )7.—
—He
can
play
footbal.
A.Can
he
play
footbal?
B.What
can
he
do?
C.What
can
she
do?
( )8.—
—Oh,
thank
you.
I
want
to
have
an
ice
cream.
A.Can
I
help
you?
B.Can
you
help
me?
C.What
can
you
do?
( )9.Steve
play
footbal
with
his
friends.
He
broke
his
leg.
A.can B.dont C.cant
三年级英语·上册 12
( )10.—Its
raining
outside.
Stay
at
home,
please.
—Its
OK.
I
can
an
umbrela.
A.get B.gets C.getting
Ⅱ.按要求完成下列句子。(难度☆☆)
1.I
can
swim
fast.
(改为否定句)
I
swim
fast.