when did you hurt yourself last?这句话为什么不能用when have you hurt

when did you hurt yourself last?这句话为什么不能用when have you hurt When did you hurt yourself last 该怎么回答? when did you hurt yourself last?用英语回答 Have you hurt yourself.这句话是现在完成时吗? 求教have you hurt yourself 为什么不能用When (have) you (ridden) a horse 而要说when( did )you( ro Did you hurt yourself playing basketball?为什么不用play basketbal 有句话是：Did you hurt yourself playing soccer?请问这里为什么用playing? Did you hurt yourself （） the mountain ()you ()(hurt)yourself?Yes,I have. Love gives you have hurt yourself lf you hurt yourself when you play in the garden,you can go