1.I must have done something wrong,_?A.hasn't I B.haven't I C.mustn't I D.didn't I2.I must have done something wrong yesterday,_?A.hasn't I B.haven't I C.mustn't I D.didn't I

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1.Imusthavedonesomethingwrong,___?A.hasn''tIB.haven''tIC.mustn''tID.didn''tI2.Imusthavedonesomethingwron

1.I must have done something wrong,___?A.hasn't I B.haven't I C.mustn't I D.didn't I2.I must have done something wrong yesterday,___?A.hasn't I B.haven't I C.mustn't I D.didn't I
1.I must have done something wrong,___?
A.hasn't I B.haven't I C.mustn't I D.didn't I
2.I must have done something wrong yesterday,___?
A.hasn't I B.haven't I C.mustn't I D.didn't I

1.I must have done something wrong,___?A.hasn't I B.haven't I C.mustn't I D.didn't I2.I must have done something wrong yesterday,___?A.hasn't I B.haven't I C.mustn't I D.didn't I
1.I must have done something wrong,___?
B.haven't I
在must,should ,may等次引导的句子中,反问都不能用这些词,要用后面的陈述句的动词.
2.I must have done something wrong yesterday,___?
D.didn't I
因为是yesterday,过去时反问

b,b
前否后肯，前肯后否。

B
B

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这问题提得可是太好了！
一般来说，陈述句和简略问句的情态动词或助动词一般要保持一致
must作为必须来讲的话，对应的就是must not

但也有特殊情况
must have done作为对过去某一时间的事情推测时，对应的就是did not
must have done作为对发生在过去但对现在造成影响的动作进行推测时，
对应的是have not
must not表示禁止时，对应的就是may
然后分析题干，
I must have done something wrong yesterday,___?
中yesterday作为特指，相当于对现在有影响
所以本题答案选B
综上所述
第一题选D
第二题选B

收起

B
B

请问句中的‘That's That's how I know the job must have been done. must have been done must have done that must have done the must be must have done 区别 He will have to stay in hospital.That’s what he____a has done b must do c must be doing d must have done为什么C不对呢 must have been done/must be done求解两者异同 must be done和 must have done区别 must have done和have done有什么区别 MUST have been donemust have been doing must have been +名词must have done以上的区别还有是否有must have been done 的用法和区别EG1 I must have been sleeping 2 your dress must have been expensive.3 I didn't hear the phone,I must have I have done so. must have been与must have done的区别? 1.I must have done something wrong,___?A.hasn't I B.haven't I C.mustn't I D.didn't I2.I must have done something wrong yesterday,___?A.hasn't I B.haven't I C.mustn't I D.didn't I must have done 的反义疑问句怎么说 He must have done nothing but ____ Must Have Done Something Right 歌词 Ought to have done .must have done.should have done的区别 could have done,should have done ,must have done,的区别是什么... must have done和must be的区别?权威