求动词什么情况下加ing时,前面的字母要双答:动词 加ing时双写的情况如下:以重读闭音节结尾,末尾只有一个辅音字母的动词,要双写这一辅音字母,再加-ing.例如:begin-beginning, beg-begging, cut-cutting, get-getting; drop-dropping,run-running, swim-swimming, set-setting , sit–sitting, stop-stopping, put–putting,hit-hitting ; stop-...
为什么英语动词要加ing??答: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 off, ...