Fine or otherwise,we shall have to go.shall 可以和have to 一起用,类似的还有么?请举例

问题描述:

Fine or otherwise,we shall have to go.shall 可以和have to 一起用,类似的还有么?请举例

have to 正是因为用了时态,所以才只能用have to,不能用must
类似的,有了将来时,完成时,不能用can ,要用be able to

完全可以
will have to
would have to
had to
has to
等都可以
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