人作主语时： want to do sth. 想要做... want sb. to do sth. 希望(人)做... want sth. done 希望（物）被... 物作主语时： sth. want doing ，这时候的want，意思是“必须，应该”，相当于need。这里的doing有被动的意思，相当于to be done. ...
want to do多表示临时想到要做的一件事情，want doing带有一种爱好的成分。 I want to eat for I am feeling hungry. 我感到饿了想吃点东西。（想吃东西只是感觉到饿的结果）I want eating a big meal. 我想吃大餐。（心里一直有这个想法）如果是 I want to eat ...
want to do. 想要做某事，主语一般为sb. I want to go to Beijing.want doing, 一般是物作主语，意为：某物需要……可以互换为 want to be done
如： The table wants cleaning= The table wants to be clea...
