let的用法

一般情况需要.使役动词被动情况需加上to.例如：
They let him talk.
He was let to talk.
They made him run.
He was made to run.
但有一种情况例外,就是let go.He has been let go.他被放了.
Let go,是一个非常固定的短语,指放了某人.我们经常在美国的动作片里听到这个词.因为用得实在太多了,所以被动的时候人们还是习惯用let go.
语法上,let to go也是可以的.