need have done ,must have done ,can/could have done ,should have done 的区别是什么?意思是什么?主要用于哪种句型?请分别举例说明,
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情态动词+have done 用法及意义must have done need have done daren't have donecould never have done could have done
must have been done must have done
What a pity! Considering his ability and experience, he _____ better. A. need have done B. must have done C. can have done D. might have done
what a pity considering his ability and experience ,he _betterA,need have done B,must have done C,can have done D,might have done
need have done ,must have done ,can/could have done ,should have done 的区别是什么?意思是什么?主要用于哪种句型?请分别举例说明,
what a pity considering his ability and experience,he ( )better.A.need have done B.mA.need have done B.must have done C.can have done D.might have done为什么不选C啊 给我讲讲吧
英语的几道语法问题求解can/would/must/need +have done各个的用法
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一道高三的英语单选题What a pity!considering his ability and experience,he_____better.A need have done B must have done C can have done D might have done 解析请具体 有针对性一点
what a pity considering his ability and experience,he __better.A need have done B must have done C couldf have done D might have done 为啥选D不选C
must have been done/must be done求解两者异同
must be done和 must have done区别
could have done和need have
关于 should have done 等.1.书上说should后接完成时态,即should have done 表示 责备 应该做而实际上没有做.那有没有should had done 2.我知道有 should have done ought to have done must have done need have done would have d
must have done和have done有什么区别
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