1. to do结构 want to do sth. 想要做某事 wish to do sth. 希望做某事 ask to do sth. 要求做某事 beg to do sth. 请求做某事 care to do sth. 想要做某事 fear to do sth. 害怕做某事 help to do sth. 帮助做某事 hope to do sth. 希望做某事 learn to do sth. 学习做某事 plan to do sth. 计划做某事 refuse to do sth. 拒绝做某事 agree to do sth. 同意做某事 choose to do sth. 决定做某事 decide to do sth. 决定做某事 expect to do sth. 期待做某事 pretend to do sth. 假装做某事 promise to do sth. 答应做某事 arrange to do sth. 安排做某事 demand to do sth. 要求做某事 afford to do sth. 负担得起做事 manage to do sth. 设法做某事 offer to do sth. 主动提出做某事 prepare to do sth. 准备做某事 determine to do sth. 决心做某事