有句话是：Did you hurt yourself playing soccer?请问这里为什么用playing?

有句话是：Did you hurt yourself playing soccer?请问这里为什么用playing? when did you hurt yourself last?这句话为什么不能用when have you hurt yourself last? Do you like to play with a yo-yo?这句话有没有错误?有的话错哪了? Why did you throw the bottle out of the window?you横线部分的正确答案是could have hurt,为什么不是might hurt? Have you hurt yourself.这句话是现在完成时吗?如题,我觉得不应该是,hurt应该是非延续性动词. Did you find very interesting to play Yo-Yo?为什么这样填 Did hurt your legs yesterday?这句话成立吗? 有首英文歌里面第一句话是what what what did you say? baby.you are hurt me however i can learn how to forget yo when did you hurt yourself last?用英语回答 When did you hurt yourself last 该怎么回答? Did you hurt yourself playing basketball?为什么不用play basketball? did you hurt yourself --------------(play) basketball应填什么 Did you hurt yourself?变为肯定句()()myself love.like you are never been hurt 这句话是 什么意思 what did you saw?这句话有语法错误? Do you think it very interesting to play yo-yo?这句话对吗,谓语是什么 Thanks for you yo keep secrets forme 这句话对吗?