英语短语分析,help to do sth 与 do sth to help 有什么区别?类似的用法还有那些,请举例说明,

help to do sth 帮忙做某事

do sth to help 做某事（以达到）帮忙（的目的）

例：
I often help to do some housework at home. 我经常在家帮忙做些家务.

Let's do something to help the poor people. 让我们做些事来帮助那些穷人 .