he must be at home 改为否定推测 he ___ ___ at home 急

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hemustbeathome改为否定推测he______athome急hemustbeathome改为否定推测he______athome急hemustbeathome改为否定推测he______at

he must be at home 改为否定推测 he ___ ___ at home 急
he must be at home 改为否定推测 he ___ ___ at home 急

he must be at home 改为否定推测 he ___ ___ at home 急
He shuld be at home.
should 作为情态动词,可以用来表示有较大可能实现的猜测、推论,通常译为“可能”、“总该……吧”,相当于 be expected to .例如:
They should be home by now,I think.我想现在他们总该到家了吧.

he can't be at home .他不可能在家

should be

can't be 肯定不(在)

he should (not) be at home

must not

can't be

He cannot be at home

mustn't be