(一)Can的用法

(1)后面接动词原形，没有人称的变化。

意思是能，可以。

Eg. I can sing.

(2) 变否定句直接在can后加"not".

Eg. I cannot dance.

(3)变疑问句直接把can提前

Eg. What can you do ?

-- Can you write/run/… ?

--Yes, I can. / No, I can't.

(二)can 的三种句式结构：

1)主 + can + 动词原形.

2)主 + can’t + 动词原形.

3)-Can + 主 + 动词原形?

-Yes, 主 + can. /No, 主 + can’t.

Exercises:

1.用恰当的词填空。

1) -Can you dance?- Yes,I ___.

2) -___ he paint? -No,he ___.

3) -Can she ___English?-Yes, she ___.

4) -____ Da Ming play football?

- ___, he can.

5) -Can they play ___guitar?

-No,they ___.

2. 把下列句子变为否定句。

1) Lingling can ride a horse.

2) He can speak Chinese.

3)Lingling and Daming can play the piano.

4)My father can play table tennis.

5)She can swim.

3. 把下列句子变为一般疑问句。

1) She can swim.

2) She can ride a bike.

3) They can play football.

4) He can ride a horse.

5) They can play basketball.

4. 将下面各组词组成句子

1)________________________(basketball,play,Lucy,can )

2)____________________________ (not,he ,dance,can )

3)____________________________? (you,can ,see,what )

4)____________________________(can ,swim ,not ,we )

5)_____________________________. (I ,can ,help ,you )

6)_____________________________? (I,can ,do,what)

7)_____________________________? (you ,can , a bike,ride)