many great changed have taken place since you left.这语法是对的吗?

来源：学生作业帮编辑：神马作文网作业帮分类：数学作业时间：2024/11/15 16:04:57

是正确的,把changed改成changes就可以了(*^__^*)
再问：为什么啊？？？since不是自从、、就用过去时不是吗？？？
再答：看来你从一开始就把句子成分搞错了，如果这里的change是作动词用的话，这个句子就有两个谓语了，还有一个是have taken place 正确的说法应该是many great changes have taken place since you left have taken place 现在完成时表示过去发生的事多现在造成影响，显然change是有影响的而你离开只是过去发生的瞬时动作，就是用过去式

many great changed have taken place since you left.这语法是对的吗? Great changes have taken place since you left.这句话是个什么从句?省略了什 A great many changes have taken place in China since…的意思? Great changes have taken place since liberation Many changes have taken place since Great changes have taken place in my hometown since 1930. "Great changes have taken place in China since the introduct 把Since than great changes have taken place there.改成正确的句子 Many c{ } have taken place since the foounding of PRC Great changes have taken place since then in the factory ___ Great changes have taken place since we ___ E-times.And the Great changes have taken place since then in the factory (wh