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《Structures in Use、Grammar in Use》PPT课件优质课下载
at present
Orchid
in the future
1. 条件句中的虚拟语气
时 间
If 条件句
主 句
过 去
现 在
将 来
had done
did / were
should do
were to do
did / were
would/should/might/ could have done
would/should/might/ could do
would/should/might/ could do
隐含条件
with,
without,
but for
2. 虚拟语气特殊句型:
wish 的宾语从句
过去式（were）