Dose tom have to go to bed by ten 请问为什么不用has二用have?

Dose tom have to go to bed by ten 请问为什么不用has二用have?
Dose tom have to go to bed by ten 请问为什么不用has二用have?

Dose tom have to go to bed by ten 请问为什么不用has二用have?
因为前面加了助动词does,所以后面的动词要用原形,而has是单三形式.

因为前面已经有does了，后面再用的动词就要原形咯。

do（dose）后加动词原型

因为前面有does does在这里是助动词 后面的主动词原形