一道英语选择题.求教come and join us,jenny.I am sorry,but i am really busy now ,if I -----time ,I would certainly go.A will have B have had C had D have
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一道英语选择题.求教come and join us,jenny.I am sorry,but i am really busy now ,if I -----time ,I would certainly go.A will have B have had C had D have
一道英语选择题.求教
come and join us,jenny.
I am sorry,but i am really busy now ,if I -----time ,I would certainly go.
A will have B have had C had D have
一道英语选择题.求教come and join us,jenny.I am sorry,but i am really busy now ,if I -----time ,I would certainly go.A will have B have had C had D have
D have
if引导的主将从现,显然是现在时.
选择D.
选C，if引导虚拟语气，现在的事情：前面——过去式/were，后面——should/would do；
过去时的事情： 前面——过去完成时had done，后面should（would） have done；
将来时的事情：前面——were to do，后面——would do
或：前面——...
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选C，if引导虚拟语气，现在的事情：前面——过去式/were，后面——should/would do；
过去时的事情： 前面——过去完成时had done，后面should（would） have done；
将来时的事情：前面——were to do，后面——would do
或：前面——were/过去时，后面——should do
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