简单谓语(simple predicate)请帮忙分析下句中的simple predicate是(选项1-4):1.was2.studied3.was studied4.其它句子:This book was studied two years ago.回答者请说明为什么是这个答案,

问题描述:

简单谓语(simple predicate)
请帮忙分析下句中的simple predicate是(选项1-4):
1.was
2.studied
3.was studied
4.其它
句子:This book was studied two years ago.
回答者请说明为什么是这个答案,

book是被人学习,所以用被动be studied
主语是this book,可数名词单数,所以谓语用单数,后面有two years ago,是个过去时间,所以用was
最后就是was studied