一般疑问句里能用现在进行时吗?比如Has he( )his clothes?(wash)

如果本来陈述的语句是现在进行时的,变成一般疑问句是可以的
如 He is washing his clothes.-------Is he washing his clothes?
但是你这题目是has开头,那本来的句子应该是现在完成时,He has washed his clothes.吧
变成一般疑问句是 Has he washed his clothes?