2018中考英语必会的60组重点单词/短语/句型用法大总结（五）(3)
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47.当......的时候
when+延续性/短暂性动词
while+延续性动词（多用进行时）
When I was watching TV，he came in.
=When he came in，I was watching TV.
While I was in Shanghai，I visited him.
48.at the age of和when引导的时间状语可以互换
I began to play football when I was five years old.
=I began to play football at the age of five.
我五岁时开始踢足球。
49.instead/instead of
instead：相反（放句首、句末）
insteadof+名词/代词/动名词：代替；而不是
I will go to see her instead of you.
我会代替你去看她。
We often sing Englishsong instead of reading a loud.
我们经常唱英语歌而不是大声朗读。
He doesn’t like beer.Give him coke instead.
他不喜欢啤酒。给他可乐吧。
50.be famousas/for
bef amousas：作为…...而知名
b efamous for：因...…而著名
LiBai is famousas a poet.
李白作为诗人而知名。
Hangzhou is famous for the WestLake.
杭州因西湖而著名。
