I gave the removal men some money for a drink to help grease the wheels.这里help后面为什么没有加to?

问题描述:

I gave the removal men some money for a drink to help grease the wheels.这里help后面为什么没有加to?
对不起,我犯了一个错误。应该是grease the wheels.它是一个动词短语,help是及物动词。为什么不是greasing!

help (to) do sth实际上有时候to是省略掉的.
help do sth
还有can't help doing sth.(忍不住/情不自禁去做某事)
help doing 是与can't一起用的
没有help doing 这种用法