英语动词时态只对谓语动词而言,但句子中的谓语动词不一定是一个,go和look都是谓语动词,but 是连词,连接两个谓语.
但像ask sb to do sth,I asked him to go with me,ask是谓语动词,过去时加ed,但go不是谓语,因为是 to do 形式,所以用原型.
英语动词时态只对谓语动词而言,但句子中的谓语动词不一定是一个,go和look都是谓语动词,but 是连词,连接两个谓语.
但像ask sb to do sth,I asked him to go with me,ask是谓语动词,过去时加ed,但go不是谓语,因为是 to do 形式,所以用原型.