must not能否表推测(不确定就别答,人命关天,

yinghui000 1年前 已收到1个回答 举报

卫生部的 幼苗

共回答了24个问题采纳率:100% 举报

表示肯定推测 must eg.A:I don't know which boy is Wangwei.
B:It must the one In blue
否定推测只能用can not eg.A:Who broke my window?
B:It can not be Lucy,because she has gone to Beijing.
must not 只能表示禁止,不能表示推测
You must not play fire in the forest.

1年前

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