She might have gone.她或许已经走了.　句中为什么用have不用had?

She might have gone.她或许已经走了.　句中为什么用have不用had? Where is Mary?She isn't here.I think she_____A.may have gone home B.must have gone home C.might have gone home D.All the above she wondered what the future might have in store for her,but now all her worries are gone.释义 She must have gone out early,for she had not shown up at breakfast.这个句子为什么用“must have gone”,整个句子是虚拟语气吗?虚拟语气中不是用could(should would might)+have done的形式吗?在这里为什么用must,另外翻 You might have seen him before.She might have passed the exam. ___to the doctor right away,he might have been alive.A.If he went B.Were he gone C.Should he have gone D.Had he gone if there had were a heavy snow,i might not have gone skating. he might have gone out. 若有否定词never 放在句子的什么位置!? might have might have You made so many mistakes in the exam.You ___your lessons last might.A.mustn't have gone over B.needn't have gone over C.shouln't have gone over D.con't have gone over she might have loved him or she wouldnot have married him改错 have gone i___ have gone there,but i___ no time thenshould would have should had might had could had when she first arrived in china...When she first arrived in China,she wondered what the future might have ______ for her,but now all her worries are gone.A.in need B.in time C.in preparation D.in store请讲明理由! when she first arrived in chinaWhen she first arrived in China,she wondered what the future might have ______ for her,but now all her worries are gone.A.in need B.in time C.in preparation D.in store翻译 TESTTHREE 25.had she been older,she less sympathetic.TESTTHREE25.had she been older,she less sympathetic.A)had beenB)might beC)might have beenD)would be i wish i----to the party with you ,but i had to finish my paper.a,could have gone b,went c ,might have gone d ,have gone求详解