Two of the strings为什么不能Two strings

Two of the strings为什么不能Two strings she struck the keys too hard and two of the strings were broken.直接永two the strings可不可以? two of strings和two strings的区别? She struck the keys too hard and two of the strings were broken.two 后 为什么有 of the .为什么不能直接是two strings two of strings 可不可以改成 two stringstwo of strings were broken.可不可以改成two strings were broken.在语法上有没有问题啊? She struck the keys too hard and two of the strings were broken.这句话里面two 后面为什么要加of呢? two of the strings 和a relative of the patient 为什么都不加’s?不都是a friend of my farther‘s 为什么这两个最后都不加一撇s呢? 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 这个句子里的broken是动词还是adj?She struck the keys too hard and two of the strings were borken. Two of the strings were broken.损坏了两根琴弦.是被动语态吗?请问这是什么时态的被动语态? Like most of its relatives,the jinghu has two strings that are customarily tuned to the interval of a fifth which the hair of the non-detachable bow passes in between.The strings were formerly made of silk,but in modern times are increasingly made of pulling the strings是什么意思 pulling the strings是什么意思 新概念英语第2册第10课有疑问?She struck the keys too hard and two of the strings were broken.为什么是在were后面用了过去分词broken,而不用过去式的broke?我一直认为were后面应该跟动词的过去式,为什么是过 THE LORD OF THE G STRINGS THE FEMALESHIP OF THE STRING怎么样 strings of pop corn and garlands on the tree为什么是on 外来的不是用in吗?长在树上的用on? 英语翻译lightly rest the side of your hand across the strings 英语翻译Kaka is a puppet.He is made of wood.There are strong strings on his arms and legs.There are also strings on his hands and feet.All the strings go to the wooden sticks for controlling.