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《Grammar》集体备课PPT课件优质课下载
动
形容
副
句子
引导词可分为两部分．
as
while
when
whenever
before
after
until (till)
since
as soon as
every time
next time
the first/…time
the moment
the minute/…
instantly
immediately
directly (一…就…)
as引导的时间状语从句, 可以表达“正当……”， “一 边……一边……”，“随着……”等意思。
1. As the sun rose, the fog disappeared.
2. Just as he was speaking there was a loud explosion.