英语中哪些动词变现在分词是双写 比如 STOP STOPPING答:原则:一个元音字母+一个辅音字母的重读闭音节结尾的词,在加ing或ed或er或est时,要求双写,如:加ing双写的词有run,sit,set,cut,put,dig,stop,begin,swim,get,fit,hit,(travel)等等。加ed双写的词有stop,fit,prefer,(travel)。加er/est双写的词有:fat,thin,big等等。
在现在进行时中什么样的单词后面要双写加ing?为什么?还有为什么个别单词...答:2. 以不发音字母e结尾 , 去掉e再加ing,如 :drive—driving, ride—riding,skate-skating,make-making,have-having,write-writing,take-taking, dive-diving,dance-dancing,come-coming 3.双写双写末尾字母,再加ing,如:swim- swimming,run—running,get—getting,put-putting,set-setting (这类词...