17 个回答. Help 以后是跟不定词bare infinitive / to-infinitive 的,所以help sb. Doing sth. 是不对的,只有:. Help sb. to do sth. / help sb. do sth. 是正确的。. I would like to help my mum do some housework. I would like to help my mum to do some housework. 意思上也没有太大分别,只是个人习惯/喜好用 ... More @Wikipedia
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