can't have been more mistaken什么意思 没有弄懂诶

can't have been more mistaken什么意思 没有弄懂诶 I couldn`t have been more mistken .When you drive home,you can’t be too careful. 用can't have been造句! 英语翻译A.can't have been B.mustn't have been C.shouldn't have been D.wouldn't have been can’t have been与couldn’t have been的区别? can't have been和must have been每一个的用法 She can't have been Danish. and She must have been Swedish. be,must be,can't have been,must have been吗 must have been和can't have been和现在完成时有没有联系啊 用must have been/done或can*t have been/done 改写句子 To want to have more strong,just can't forget 12.YOU REALIZE THAT YOU WERE DRIVING AT 100 MILES PER HOUR,DON'T YOU NO,OFFICER.I HAVE BEEN.THISCAR CAN'T DO MORE THAN70.A:NEEDN'T B:SHOULDN'T C:COULDN'T D:MIGHT NOT can't have been和can' have done有什么区别或者must have been和must hane done;may have been和may have done you can have been I _____ pleased when I heard your resultsA couldn't be more B couldn't have been more he can't haue been a dcntist.he must have been a doctor.翻译下 He can't have been.He must have been.不是说单三用has吗?这里怎么用的have? “You realize that you were driving at 100 mph,don’t you?”“You realize that you were driving at 100 mph,don’t you?”“No,officer.I ______.This car can’t do more than 80.”A.didn’t need to beB.may not have been C.couldn’t have been D