RT
1. to do sth:跟动词不定式 要求某人做某事:ask sb to do sth 尽某人所能做某事 try/do one’s best to do 对某人来说做某事… It's +adj. for sb to do sth 能够干什么be able to do sth 恐惧/害怕做某事 be afraid to do sth 允许某人做某事 allow sb to do sth 希望做某事 hope to do sth 比起... 更喜欢做某事 prefer to do rather than do 2. doing sth 跟动名词 做某事有困难: have trouble (in) doing sth 对…… 感兴趣 be interested in sth./doing sth 忙于做什么事 be busy doing sth 完成做某事 finish doing sth 让某人停止做某事 stop sb from doing sth 考虑做某事 consider doing sth 3. do sth: 跟动词原型 帮助某人做某事 help sb do sth 为什么不…?(提出建议)Why not do sth.? 使得某人做某事 make sb do sth 让某人做某事 let sb do sth
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