rained rained raining
took taken taking
studied studied studying
began began beginning
preferred preferred preferring
moved moved moving
got gotten getting
played played playing
1、lie（vi.）“躺,卧” 时
lie→lay→lain
2、lie 做（vi.）“说谎” 时：
lie→lied→lied
2种的现在分词都是lying
3.lay:安放 过去式 laid,过去分词 laid,现在分词 laying