问题标题：
高中英语选择题、关于虚拟语气的~还有虚拟语气的知识点...Thepollutionisgettingworseandworse,andit'stimewe__B__actionnow.A.takeB.tookC.willtakeD.wouldtakeIamverybusyatthemoment.Iwouldratherthey__B__
问题描述：
高中英语选择题、关于虚拟语气的~还有虚拟语气的知识点...
Thepollutionisgettingworseandworse,andit'stimewe__B__actionnow.
A.takeB.tookC.willtakeD.wouldtake
Iamverybusyatthemoment.Iwouldratherthey__B__tomorrow.
A.wouldcomeB.cameC.willcomeD.come
TellJohnthewholestoryifyou__C__meethim.
A.metB.shallmetC.shouldmeetD.weremeeting
田新华回答：
1.It's(high)time(that)+从句,从句时态必须用过去时（虚拟语气）.
2.wouldrather+从句,从句时态必须用过去时（虚拟语气）.
3.非真实条件虚拟句,与将来事实相反的话,主句用might/would...+动词原形,从句有三种形式：should+动原、weretodosth.、动词一般过去式
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