need doing need to do 區別

題目：

need doing need to do 區別

解答：

一、
need to do 需要做某事
need doing 是需要被做有被動的意思
如;I need to wash my clothes.
My clothes need washing.
need doing = need to be done
I need to mend my bike.
My bike needs mending
二、
need to do 一般主語是人
need doing 一般主語是物
三、
need to do sth 是必須做某事 但還沒做過 、
need doing sth 是 需要做某事 已經做完了.