were to have comeMy parents ________here last night,but they couldn't.为什么呢?我错误的选择了：must have come,为什么错?两种表示“过去想做而未做的事”的表达方式是：1）was / were + to have done sth,例如：We wer

were to have comeMy parents ________here last night,but they couldn't.为什么呢?我错误的选择了：must have come,为什么错?两种表示“过去想做而未做的事”的表达方式是：1）was / were + to have done sth,例如：We wer were to have done 造句, were able to have done what lesson were u supposed to have? you were supposed to do,那么you were supposed to have done可以吗 They___tired so they stopped___a rest.A.are,have B.were,have C.were,to have D.are,having you should have asked what you were supposed to wear were/was to have done 可以代替would/should have done 或者是不是只有were to have done 存在?没有was to have done what were you order 和 what were you to have order 有区别吗 were to The life we were used to___greatly cince 1992A.had B.have C.to have you are/were supposed to have本应该用 were 还是arebe supposed to have done 翻译成本应该不是问be supposed to do这个我懂 Many people have married whose chances to do so were much inferior to Miss Martha's.Many people have married whose chances to do so were much inferior to Miss Martha's.这句话to do 怎么回事?,so were much be supposed to have done +时间怎么用you were suppose to have finished the work for 2 weeksyou were suppose to have finished the work 2 weeks ago那个对you 后面的be 要用 are 还是 were be supposed to do与was/were supposed to have done区别 We had to stop to have a rest,_____we were very tiredA whileB whenC whetherD because they were very sad to hear the news 为什么不用to have heard the news 翻译things have begun to improve since schools were required to reduce the leading load.