动词的现在分词一般加-ing work-working study-studying.
以e结尾的词去e后加-ing live-living
以重读闭音节或r音节结尾,末尾只有一个辅音字母的词,要双写这个辅音字母,再加-ing stop-stopping refer-referring
以ie结尾的重读开音节的词,改ie为y,再加-ing die-dying
读起来时重在鼻音,发相近与"硬"声.结合单词的尾音重读,比如work-working,wor^king~沃^king~
study-studying,stu^dying 发谐音丝答鼎