Great changes have taken place there这之中的Great changes是什么词性?句子结构是什么?应该不是动词 take place 就是动词 一个句子不会有俩个动词 changes为什么单三?

Great changes have taken place since liberation Great changes have taken place there. There have been great changes in computers(同义句）Great changes have __ __in computers great changes Great changes Great changes have taken place in my hometown since 1930.请问句子中的Great changes是什么意思? great changes take place since liberation 和 Great changes have taken place since liberation的区别 There have been great changes in Sunshine Town. 同义：Great changes have___ ___in Sunshine Town. there have been great changes为什么用have been Great changes have taken place in Shanghai's transportation.翻译? Great changes have taken place in our city r____ Great changes have taken place in our hometown的翻译 Great changes have taken place in my hometown _____ (recent). great changes have taken place there there 怎么放在后面 There have been great changes,so everything looks s__ here there have been great changes in computers什么意思 there have been great changes in my hometown_________(resent) great changes have taken place over the past fifty years.