以ie结尾,去ie变y+ing
例:die--dying;lie--lying;tie(打结、系上)--tying
动词现在分词的变化规则
1. 直接在动词后面加-ing
go-going 去 stand-standing 站 sleep-sleeping 睡觉
eat-eating 吃 sing-singing 唱 drink-drinking 喝
2. 以不发音字母e结尾的动词,先去掉e, 再加ing
如: skate --- skating have --- having ride --- riding come --- coming
make --- making dance --- dancing write --- writing
3. 以重读闭音节结尾的动词,中间只有一个元音字母,词尾只有一个辅音字母,
应双写末尾的辅音字母,再加ing
如: putting running beginning stopping swimming shopping
jogging sitting getting
Ⅳ. 以ie结尾的动词,把ie变成y再加ing
如: lie --- lying tie --- tying die --- dying