外研版三年级英语上册《We're making a cake》PPT课件下载，共19页。
I am running.
I am singing.
They are playing basketball.
He is swimming.
He is going to throw the ball.
What’s she doing ?
She’s singsing .
What’s he doing ?
He ’s playing football .
What’s she doing ?
She’s listening to the radio .
动词-ing形式的构成
一般在动词原形后+ing
do doing
read reading
play playing
以不发音的e结尾的，去e，+ing
write writing
make making
dance dancing
重读闭音节以一个辅音字母结尾的，双写这一字母+ing
get getting
run running
swim swimming
put putting
... ... ...
关键词：We're making a cake PPT课件免费下载，.PPTX格式