动词+to do :hope, wish, want, agree, promise, demand, ask, refuse, manage, learn, decide, pretend, dhoose. 动词+doing :mind, risk, succeed in practice,be busy, look forward to ,admit, cant help,keep on, miss,insist on,suggest, enjoy, delay, avoid, be worth,advise,give up. 动词+to do /doing:stop, forget, remember,try,go on ,allow(allow doing sth; allow sb. to do sth.)