不规则动词pp形式

分四种情况：

1、直接在动词后加--ing：

buying calling enjoyingtelling waiting working sleeping washing dressing starting seeing cleaning cooking learning sweeping happening helping painting meaning wanting being

2、去e加--ing（以不发音的e结尾的):

driving takingleaving lovng decorating giving

3、双写最后一个字母加ing（以重读闭音节结尾并且末尾只有一个辅音字母的）

puttingshoppingcutting

4、把ie去掉变成y再加ing:lie-lying