跟動名詞(doing)動詞不定式（to do）均可的詞,含義區別較大：
1、stop to do---stop doing mean doing
2、mean to do---mean doing
3、try to do---try doing
4、agree to do---agree to sb doing
5、be afraid to do---be afraid of doing
6、remember to do---remember doing
7、forget to do---forget doing
8、allow/permit/advise sb.to do---allow/permit/advise doing
9、regret to do---regret doing
10、want to do---want doing (表被動)
11、need to do---need doing(表被動)
12、go on to do---go on doing
13、can’t help to do---can’t help doing
14、forbid sb.to do=forbid sb’s doing---forbid doing