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,

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 that must have done the must be must have done 区别 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 must have been与must have done的区别? must have done 的反义疑问句怎么说