固定搭配：Help someone with something，帮助某人做某事。Help someone (to) do something，帮助某人做某事。Help oneself to (something) ，自便。
1.Help someone with something 帮助某人做某事
I helped him with his application and he didn't even thank me. 我帮他填写他的申请表，他连谢谢都没有。
2. Help someone (to) do something 帮助某人做某事
Ask Bailey to help you take some stuff back. I think she leaves on the 25th. 叫Bailey帮你把一部分东西拿走，我记得她是25号离开。
3. Help oneself to (something) 自便
Help yourself to the drinks and snacks. Have whatever you want. 自己去拿饮料和小吃吧。想吃什么就拿什么。
Help的动词短语：Help out 帮助解决难题/帮助脱离困境
Could you lend me like $100? I'll pay you by the end of the month. I swear. Can you help me out? 你能借我100美金吗？我这个月底会还给你。我发誓。你能帮我脱离困境吗？
1.help to do sth帮助做某事
Gina can't help to open the door.
Mike helps to wash the dishes.
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?
3.help (sb)with sth帮助(某人)做某事。
例句:You can help with the new plan.
4.help oneself(to) 自用(食物等)
例句：Please help yourself.
5.can' help doing sth情不自禁做某事。
例句：I can't help laughing.
be of some/ no/ much help to sb
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