1. 介词 in/ at/ for/of /by / about/ with/ without / after/ before /including /against/ towards+ doing
Be / get used to doing (习惯于…) look forward to doing（期待）
prefer doing to doing
2. speaking / listening skill writing paper swimming club singing class
3.There be …doing (主动) There be…+p.p.(被动)
4. have trouble / problem / fun /…time doing
5. 感官动词 see / hear/ notice/ find / feel sb. doing (正在做)
6.put off doing practice doing consider doing keep doing keep sb. doing
finish doing enjoy doing mind doing allow doing give up doing
be busy doing spend…(in) doing end up doing stop doing(停止做)
try doing（试着做）forget doing（忘了做过某事） remember doing（记得做过某事）
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