_____i be free tomorrow,I could go with you.A.couldB.ShouldC.might D.must
问题描述：
_____i be free tomorrow,I could go with you.A.couldB.ShouldC.might D.must
答
B
省略了if 的虚拟语气：如果条件状语从句的谓语动词中含有were, had, should, 可以省略连词if，把were, had, should,放在主语前构成倒装。
还原为If I should be free tomorrow, I could go with you.
答
b,
这是虚拟语气。本来应该是if I should be free tomorrow...; 当把if省略的时候，就要把should 提到句首，构成倒装句。虚拟条件句的从句部分如果含有were, should, 或had, 可将if省略，再把were, should或had 移到从句句首，实行倒装
答
B
省略了if 的虚拟语气
如果条件状语从句的谓语动词中含有were, had, should, 可以省略连词if,把were, had, should,放在主语前构成倒装.
本句话本来是：If I should be free tomorrow, I could go with you.
只有should 有这样的用法哦·
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