5) betty’s mother is a .
【课堂活动】
step1 have a check
把下面的句子翻译成英语:
1. 我会打篮球。
2. 你会游泳吗?不,我不会。
3. 大明不会说汉语。
step2你能总结can的用法吗?把下面的句子译成汉语并总结can的用法。
you can swim.
can he sing a song ?
she can't play chess.
it can play football.
we can't speak english.
can they swim?
(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.