she struck the keys too hard and two of the strings were broken.这句话中的后半句strings were broken这里的were broken是一个被动语态还是系表结构

she struck the keys too hard and two of the strings were broken.这句话中的后半句strings were broken这里的were broken是一个被动语态还是系表结构
she struck the keys too hard and two of the strings were broken.这句话中的后半句strings were broken这里的were broken是一个被动语态还是系表结构

she struck the keys too hard and two of the strings were broken.这句话中的后半句strings were broken这里的were broken是一个被动语态还是系表结构
被动语态

是被动语态，琴弦是被女孩折断的，不能自己断~