1 Let's move the stone away,or there-----an accident A may have Bmay be A不可以吗?2,I didn't see her in the meeting room this morning.She-----at the meeting A mustn't have spoke B.shouldn't have C needn't have spoken D couldn't have spoken 3,John

1 Let's move the stone away,or there-----an accident A may have Bmay be A不可以吗?2,I didn't see her in the meeting room this morning.She-----at the meeting A mustn't have spoke B.shouldn't have C needn't have spoken D couldn't have spoken 3,John
1 Let's move the stone away,or there-----an accident A may have Bmay be A不可以吗?2,I didn't see her in the meeting room this morning.She-----at the meeting A mustn't have spoke B.shouldn't have C needn't have spoken D couldn't have spoken 3,John-----his father about this failureth in the exam dares not tell B dare nor rall dare做情态东为什么不加s.

1 Let's move the stone away,or there-----an accident A may have Bmay be A不可以吗?2,I didn't see her in the meeting room this morning.She-----at the meeting A mustn't have spoke B.shouldn't have C needn't have spoken D couldn't have spoken 3,John

there may have 可以理解为在之前已经有事故了 所以另外一个答案更加好

AC可以直接排除 must是必须,我今天没有在早会上看见她,她必须不在哪里；很明显意思上不成立. 
need 需要,翻译过来就是她不需要说话,早会没有看见她和她没有需要说话没有联系/
B shouldm't have 这里是不是同样有spoke?漏了写吧...
shouldn't意思理解为她不应该,翻译过来就是她不应该在会上说过话,和前面早会没有看见她同样是没有逻辑的,排除/
D couldn't have spoken 首先这里必须用spoken,spoke是肯定不对的,因为这个是完全过去式.然后从意思理解上来说,我早会没有看见她,所以她不可能在早会上发言.逻辑上是成立的.

dare不加s是因为这件事情已经发生了,肯定是出了成绩之后,John才不敢告诉他爸爸.dares用于一般现在时,而不是过去时.



看在我这么认真回答~记得要采纳我哦!

1 may be 正确，不能有may have
2 整句的意思是，我今天早上在会议室没有看见她，她不可能在会议上发过言了。
3 dare用作情态动词时，表示“敢于”这个意思，主要用于疑问句、否定句及条件从句。
【例如】
Dare you go home alone?
Tom dare not gosintosthe haunted house. ...

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1 may be 正确，不能有may have
2 整句的意思是，我今天早上在会议室没有看见她，她不可能在会议上发过言了。
3 dare用作情态动词时，表示“敢于”这个意思，主要用于疑问句、否定句及条件从句。
【例如】
Dare you go home alone?
Tom dare not gosintosthe haunted house.

dare作情态动词的时候，没有单三的变化.

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1 there may be 是there be句式的变形。
2 couldn't have done 只能表推测，相当于 can't have done，意为：“过去不可能做了某事。”
3.dare 情态动词是没有第三人称的，类似 could, can 等，助动词才会有第三人称和数的变化

1. There be 是固定结构，所以答案是B而A不可以

2. couldn't have spoken，意思是已经无法说话了、只有D符合要求

3. 情态动词又称为情态助动词，因此无需加S