定语从句which is 知道系表结构中的which is 是可以省略的,但如下例子中的which is可以省略么?This method can deal with response of structure which is subjected to random excitation.(想表达的意思是：这种方法可以

定语从句which is 知道系表结构中的which is 是可以省略的,但如下例子中的which is可以省略么?This method can deal with response of structure which is subjected to random excitation.(想表达的意思是：这种方法可以 定语从句在there be 句型中什么时候用which我知道在there be句型中只能用that 除非在there be结构中修饰主语的定语从句宜用who不用that指代人 但是呢在书上（课本）看到这样一个句子：There is a boat 定语从句中,什么时候用介词+which? 定语从句中of which的用法 定语从句中`when与on which 定语从句中什么时候用that,which 定语从句中which的用法 定语从句中which 做不做成分? 定语从句中which后可加主语吗 which引导定语从句中which可以放在句首吗 The building which stands near the river is our school.中which做什么成分啊是做主语还是宾语我知道他是定语从句由which引导 the building是先行词 which定语从句例句 which的用法（定语从句）在什么时候,定语从句中,只用which而不用that? 定语从句中先行词是哪些类型的词或是那些结构就只能用that而不用which. 定语从句结构 定语从句的关系词可以是从句重任何可以代替的成分吗?Never do the right things which others think is.这句话对吗,which 在定语从句中是宾语从句的主语.. 定语从句中where与which的区别?什么时候定语从句中用which,这个例句“This is a place which I have long wanted to visit.”中的“which”改成“where”为什么不行? 非限制性定语从句中关系代词一般要用which.she won the competition,which made the whole family very happy.什么是非限制性定语从句?怎么知道是非限制性定语?这一句话中不能用that吗?