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if引导的从句问题
1.if在表虚拟的时候，对现在虚拟从句用一般过去，主句用would/should/could...+do 例如对现在虚拟：If I had any money with me, I could lend you some. 对将来虚拟从句可以用should do/过去式/were to do都可以，should do表示的可能性最大，过去式次之，were to do的可能性最小 If we should come/came/were to come tom...
回答于 2021-08-28 15:04