Look!the clouds are garthing .--Yes.I'm afraid it (should or

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Look!the clouds are garthing .--Yes.I'm afraid it (should or maight)be pouring down soon
为什么不用should要用maight

might 表示语气很弱的推测,比may弱,意为可能.否定句和一般疑问句的推测用can/could（could语气较弱）,较为肯定的推测用must,不抬肯定的用may/might（might语气弱）.结构是情态动词+do（表示对现在或将来的推测）/+have done（表示对过去的推测）.只有这些次才可以表示推测,should不能表推测.上题中用be doing是表示将来这件事情要持续进行,属于对将来的推测.

Look!the clouds are garthing .--Yes.I'm afraid it (should or Look at those clouds.It _____ soon,I’m afraid. look at those clouds.it __soon,i`m afraid.A,rains B.is going 将来时的比较52.Look at those clouds.It _____ soon,I'm afraid.A.is Look, there are so many clouds in the sky. I think it_____(m q：look at these clouds.,It_____soon,I'm afraid.a：A.is going Look at the clouds ,I think it ___(rain) I'm afraid you won't __1__to me .Look!All the books are not_ Look at the sky.I'm afraid it's _____(like)to rain. 16(1)Look!The clouds are gathering.It looks as if it ______ Look at the clouds.Yes.It is vert c-- It′s going to rain【根据首 look at the clouds.it__rain A.i