这要看改成被动语态后的主语情况,谓语动词(或者助动词加动词原形)要随着主语的变化而变化,这是英语语法当中很重要的“主谓一致”原则.
比如:My hometown has experienced great changes.
改成被动语态之后变为:Great changes have taken place in my hometown.
这要看改成被动语态后的主语情况,谓语动词(或者助动词加动词原形)要随着主语的变化而变化,这是英语语法当中很重要的“主谓一致”原则.
比如:My hometown has experienced great changes.
改成被动语态之后变为:Great changes have taken place in my hometown.