2019长沙小学英语必考重要知识点(十七)
现在分词的构成
(1)直接在动词后加ing
如:singsinging;skiskiing;
(2)双写词尾加ing
如:swimswimming;jogjogging;runrunning;
(3)以不发音的e结尾的去e加ing
如:rideriding;dancedancing;makemaking;