问俩情态动词的题1.Look!jack's fallen asleep.oh,he( )too late last night.A.might sit upB.must have sat upC.could sit upD.should have sat up2.Your parents were really worried about you.( )home without a word.A.shouldn't leaveB.mustn't leaveC.sh

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问俩情态动词的题1.Look!jack's fallen asleep.oh,he( )too late last night.A.might sit upB.must have sat upC.could sit upD.should have sat up2.Your parents were really worried about you.( )home without a word.A.shouldn't leaveB.mustn't leaveC.sh
问俩情态动词的题
1.Look!jack's fallen asleep.
oh,he( )too late last night.
A.might sit up
B.must have sat up
C.could sit up
D.should have sat up
2.Your parents were really worried about you.( )home without a word.
A.shouldn't leave
B.mustn't leave
C.shouldn't have left
D.couldn't have left

问俩情态动词的题1.Look!jack's fallen asleep.oh,he( )too late last night.A.might sit upB.must have sat upC.could sit upD.should have sat up2.Your parents were really worried about you.( )home without a word.A.shouldn't leaveB.mustn't leaveC.sh
1.Look!jack's fallen asleep.
oh,he( must have sat up)too late last night.
2.Your parents were really worried about you.You( shouldn't have left)home without a word.
第一个句子情态动词must表示一种推测,而且肯定的程度很高；
第二个句子should have(not) do sth.是过去完成时,不应该做了某事（但是已经做了）.

问俩情态动词的题1.Look!jack's fallen asleep.oh,he( )too late last night.A.might sit upB.must have sat upC.could sit upD.should have sat up2.Your parents were really worried about you.( )home without a word.A.shouldn't leaveB.mustn't leaveC.sh 问下 need 情态动词和实意动词的区别问：Have是不是情态动词情态动词与情态助动词情态动词属于助动词么情态助动词就是我们常说的情态动词,我想问个英语的问题情态动词与情态助动词情态动词属于助动词么情态助动词就是我们常说的情态动词情态动词的用法情态动词的使用方法. 否定词情态动词行为动词系动词位置(英语常识)我想问下否定词情态动词行为动词系动词彼此之间的位置关系例如说行为动词要放在情态动词后,其他呢?怎么放情态动词那题…求详解,我分不清各情态动词的用法… 初二english书上的题有哪些情态动词?这些情态动词有什么特性? 情态动词的疑问形式都是情态动词提前吗,有没有例外如题问need关于情态动词和实义动词的形式我想问一下could是不是情态动词? 德语情态动词德语的情态动词有哪些? 情态动词如何用?具体情态动词的用法情态动词是什么情态动词的具体含义? 情态动词的否定怎么写?情态动词加什么词?情态动词的need,否定又怎么写?联系动词有哪些?情态动词又有哪些?还有,联系动词加形容词对吗?再问一下实义动词的用法,怎么样区分实义动词和情态关于情态动词的用法英语情态动词的用法