help的第三人称单数helps，现在分词helping，过去式helped，过去分词helped。意思是帮助、助手、补救办法、有用。例句如He has helped to raise a lot of money 下面就详细介绍一下help的几种用法。

一、用作及物动词的helphelp用作及物动词,其意为帮助,常用于以下三种句式：1.help to do sth.意为帮助做某事.情景例句Could you help to open the window?你能帮忙打开窗子吗?2.help ***.to do sth.意为帮助某人做某事,其中,不定式符号to可以省略.情景例句He often helps me to study English/ He often helps me study English.他经常帮助我学习英语.3.help ***.with sth.意为帮助某人做某事或在……方面帮助某人.有时在上下文意思清楚时,与help ***.(to) do sth.意思相近.情景例句You can help me carry the things./ You can help me with the things.你可以帮我拿这些东西.

二、习惯句式中的help情景例句Could you help me,please?你能帮助我吗?May I help you?/ Can I help you?

三、习惯用语中的help1.help oneself (to) 名词,意为请随便吃…….这是招待客人的常用语,oneself有人称和数的变化.情景例句Help yourself to some chicken.请随便吃些鸡肉.2.with the help of ***.或 with ones help 意为在某人的帮助下这里的with不可用under来代替.情景例句With the help of my teacher,I can pass the exam./ With my teachers help,I can pass theexam.在老师的帮助下,我能通过这次考试