All my today’s homework ()now.Can I go out and play football,Mom 是has been finished还是have been finished,说明为什么选have或has.

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All my today’s homework ()now.Can I go out and play football,Mom 是has been finished还是have been finished,说明为什么选have或has.
All my today’s homework ()now.Can I go out and play football,Mom
是has been finished还是have been finished,说明为什么选have或has.

All my today’s homework ()now.Can I go out and play football,Mom 是has been finished还是have been finished,说明为什么选have或has.
has been finished
homework不可以数名词,就要三单的形式了,have变has
如不明白请追问!

大意:我已经所以的功课都已经完成了,妈妈,我可以出去踢足球了吗?
这个句型是强调已经完成,所以是现在完成时,主语是homework这是一个不可数名词,所以填写
has been finished

选has,因为All my today’s homework是一整体,不可数名词,故选has

have been finished 因为不是三单 所以不用has