老师发的信息“1.四种动词加ing的形式,前三种各造4个句子,最后一种造两...答:(1)be动词(is.am.are).介词后面加ing形式。还有固定的词组搭配要记住 某些动词后出现非限定性动词时只能用动名词作宾语,不能用不定式。常见的此类动词有:advise, allow, permit, avoid, consider, enjoy, finish, give up, cannot help, imagine, include, keep, keep on, mind, miss, put ...