以ie结尾的单词变ing

以ie结尾，去ie变y+ing；

例如

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