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外研2003课标版《Grammar》公开课PPT课件优质课下载
It's high time型
if 引导的虚拟语气 谓语动词的三种情况
后悔药（与过去事实相反）
白日梦（与现在事实相反）
妄想症（与将来事实相反）
If he hadn't made the mistake , he would have got full marks.
If she had worked hard , she would have gone to QingHua University .
后悔药—对过去事实的虚拟—归纳谓语:
Long time ago, a farmer saved a snake. But later, the farmer was bitten by the snake and died.
The Farmer And The Snake农夫与蛇
小试牛刀
What would have happened if the farmer hadn’t seen the snake?
If the farmer ___________(not see) the snake, he _________________ (not put) it under his coat. If he __________ (not put)it under his coat ,the snake ___________________ (not bite)him.If the snake____________ (not bite)him,he __________________(not die).
hadn’t seen
wouldn’t have put
hadn’t put
wouldn’t have bitten
hadn’t bitten
wouldn’t have died.
与过去事实相反的虚拟语气：
If I were headmaster, I would make your holiday longer.
If I had one billion , I would give you one million.
白日梦——对现在事实的虚拟—归纳谓语:
如果我是一名亿万富翁，我会给同江一中建一座
图书馆。如果我有足够的钱，我为每一位学生提供