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问英语反义疑问句英语高手来

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问英语反义疑问句英语高手来
He must be Peter Lee,_________?
He must have seen the movie,__________?
He must have seen the movie yesterday,_______?
It is unfair,________?
注明下原因
问英语反义疑问句英语高手来
He must be Peter Lee,____isn't he _____?
He must have seen the movie,____hasn't he______?
He must have seen the movie yesterday,__didn't he_____?
must表示“肯定”的意思时,它的反义问句尾句不能再用情态动词,而是根据must后的动词时态来决定.如果有过去时间状语,就是一般过去时.
It is unfair,___isn't it_____?(否定前缀不是否定词,所以还是用否定)
(类似:unhappy,unable,impossible等)