IF 引导的虚拟语气.对过去,现在,未来的虚拟.的句型和特例.

问题描述:

IF 引导的虚拟语气.
对过去,现在,未来的虚拟.的句型和特例.

1.对过去的虚拟 If you had taken my advice, you would have passed the exam.从句用过去完成时,主句用would/should/could + have done2.对现在的虚拟If I was the master, I could find the problem.从句用过去...