1、一般情况下，直接在动词后加-ing.
work ---- working
sleep ----- sleeping
study ----- studying
go ---- going
play ----- playing
know ----- knowing
walk------walking
eat------eating
beat-----beating
sing-----singing
2、动词以不发音的-e结尾，要去-e加-ing.
take ----- taking
make ----- making
dance ----- dancing
write-----writing
arrive ----- arriving
come ----- coming
3、以重读闭音节结尾，且词尾只有一个辅音字母时，先双写这个辅音字母，再加-ing（重闭单辅先双写）.
cut ----- cutting
put ----- putting
begin ------ beginning
run------running
stop ----stopping，
prefer---preferring
4、以-ie结尾，先将-ie改成y，再加-ing.
口诀：现在进行ing,以e 结尾要去e，除去几个特殊词，系住tie-tying死去die-dying要躺下lie-lying，直接ie变成y.
lie ----- lying
tie ----- tying
die ----- dying