We often see some people _____(beg) for money in the street.填正确形式,火速讲明理由
问题描述:
We often see some people _____(beg) for money in the street.
填正确形式,火速
讲明理由
答
begging,看某人做正在做什么事
答
begging
答
beg,看过某人做某事,用原型,如果用begging,是说看见某事正在进行
答
就用 beg....看见某人做某事
答
beg原形
see sb. do sth.看见某人做过某事
see sb. doing sth.看见某人正在做某事
句子里有often,用原形