major in or majoring inBill,major in economics,is a good student.Bill,majoring in economics,is a good student.这两个句子哪个正确?major OR majoring?Thank you!

问题描述:

major in or majoring in
Bill,major in economics,is a good student.
Bill,majoring in economics,is a good student.
这两个句子哪个正确?major OR majoring?
Thank you!

majoring这个形式是表示补充说明前面主语的,可以相当于一个定语从句(who majors in...)

第二个句子正确.major in economics在此句中做定语修饰主语,而major是动词,因此需用非谓语形式.此句的谓语动词是后面的is.