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Lucy
What a fine day today! Look....
现在进行时: Present Progressive
概念: 表示现在正在发生的动作
结构: be (is, am, are) + doing
标志语：at the moment,these days ,right now,Look! Listen! now
一般在动词原形后+ing
以不发音的e结尾的，去e，+ing
重读闭音节以一个辅音字母结尾的，双写这一字母+ing
动词-ing形式的构成：
writing
taking
getting
running
swimming
going
go
ask
write
take
get
run
swim
asking
The twins ___________(wash) the clothes now.
Look! He ________ (play) basketball over there.
Listen! ______ Sally _______(sing)?
are washing
is playing
Is