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新世纪版英语高二下册《Appendix III Grammar glossary》优质课ppt课件
主 句
与现在事实相反的假设
与过去事实相反的假设
与将来事实相反的假设
过去式
be --were
should / would/
could / might + do
had done
should / would/ could / might + have done
过去式（be--were）
should do
were to do
should / would/
could / might + do
If you had studied hard before, you would have passed the exam. （过去虚拟）
1.如果我是你，我会接受他的建议（现在虚拟）
2.如果明天下雨，我会待在家里。（将来虚拟）
3.如果你以前好好学习， 你会通过考试的。
If I were you, I would accept his advice.
If it rained（should rain/were to rain ）tomorrow, I would stay at home.
You didn’t let me drive. If we ______ in turn, you ______ so tired.
drove; didn’t get
drove; wouldn’t get
were driving; wouldn’t get