in case,on condition that,suppose等后面怎么接虚拟语气?
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in case,on condition that,suppose等后面怎么接虚拟语气?
in case,on condition that,suppose等后面怎么接虚拟语气?
in case,on condition that,suppose等后面怎么接虚拟语气?
例如：You’d better take the keys in case I’m out.（牛津高阶）Take your coat just in case it rains/ it should rain.（朗文当代英语词典）In case也可解作“如果,假如”.这是美国的用法,用在句子开头,相当于if,这时从句通常不需要用虚拟语气.例如：In case you can’t come,give me a call before I leave for work.（麦克米伦英语词典）In case they are late,we can always sit in the bar.（朗文当代）On condition that...是“只有”“条件是”的意思,可以使用虚拟语气,也可以不用.使用虚拟语气的话,常用should+V.的形式,should可以省略.例句：I’ll come on condition that John is invited.（朗文当代）They agree to lend him the car on condition he (should) return it in a week.Suppose表示“假如”时,后面的从句可用虚拟语气,也可不用.使用虚拟语气时,用过去时表示假设,而不用should+v.Suppose flight are fully booked on that day—which other day could we go?（麦克米伦英语词典）