1　stop to do　　　　　stop doing　　　
2 forget to do　　　　 forget doing
3　remember to do　　　remember doing　　　　　
4 regret to do　　　　 regret doing
5　cease to do　　　　 cease doing　　　　　　　
6 try to do　　　　　　try doing
7　go on to do　　　　 go on doing　　　　　　　
8 afraid to do　　　　 afraid doing
9　interested to do　　interested doing　
　10 mean to do　　　　　 mean doing
　11 begin/ start to do　 begin/ start doing　　　　　　求解释