问题标题:
中考英语请教老师!youcan't/need'tbeserious.你不是开玩笑吧.能用need't关于情态动词,1.Wouldyoucometomybirthdaypartytomorrowevening?I'mafraidI(wouldn't还是can't.)Ihavetolookaftermysister.为什么不用can't
更新时间:2024-04-29 15:03:26
问题描述:

中考英语请教老师!youcan't/need'tbeserious.你不是开玩笑吧.能用need't

关于情态动词,

1.Wouldyoucometomybirthdaypartytomorrowevening?I'mafraidI(wouldn't还是can't.)Ihavetolookaftermysister.为什么不用can't.)

2.MayIputmybikehere?No,you(couldn't/-mustn't).youshouldputitoverthere.

为什么不用couldn't

刘楠回答:
  youcan'tbeserious.很口语化换成need't意思变成,你不必如此严肃.第一个是不能,不可以.can一表能力,二表允许第二个是不需要.need需要无强制性.通常和must、haveto一同考察考点1:以must(有强制性且主观)引...
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