help的三种用法

help的三种用法
1.help to do sth帮助做某事
Gina can't help to open the door.
Mike helps to wash the dishes.
2.help sb帮助某人
help (sb) to do sth帮助(某人)做某事，其中的to可省略。

例句：
Can I help you?
I will help you to catch it.
Can you help me finish the task?
3.help (sb)with sth帮助(某人)做某事。

例句:
You can help with the new plan.
One of us must help these people with the sports.
4.help oneself(to) 自用(食物等)
例句：
Please help yourself.
Help yourself to the fruit.
Please help yourself to some milk.
5.can' help doing sth情不自禁做某事。

例句：
I can't help laughing.
I can't help singing with you.
6.help的其他用法。

注意这其中有些help是名词。

be of some/ no/ much help to sb
对某人有一些/没有/许多帮助
help sb into/ out of 搀扶某人进入/走出
help sb out 帮助某人克服困难、渡过难关、解决问题、完成工作。

with one's help = with the help of sb 在某人的帮助下
ask (sb) for help(向某人)寻求帮助。