need doing 怎么用
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need doing 怎么用
need doing 怎么用
need doing 怎么用
一共有三个：need,want require 看例句：We need to repair the bridge -----可以改写成你说的结构：The bridge needs / wants / requires repairing==The bridge needs / wants / requires to be repaired.
need doing = need to be done
eg：The bike need repairing= The bike needs to be repaired.这辆自行车需要修理。
need doing =need to be done
need doing是主动代替被动
These trees need watering=These trees need to be watered
need doing 一般表示被动，但形式上还是主动
比如说：the clothes need washing.
其实是被洗，但这里可以用need doing主动表示被动
1. 用作情态动词，其后接动词原型，如：
He needn't go.
Need he go so soon?
They need not come.
2. 用作行为动词
2.1 其后接动词不定式， 如：
He needs to go.
Does he need to go so soon?
He doesn't need t...
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1. 用作情态动词，其后接动词原型，如：
He needn't go.
Need he go so soon?
They need not come.
2. 用作行为动词
2.1 其后接动词不定式， 如：
He needs to go.
Does he need to go so soon?
He doesn't need to go.
2.2 其后接名词， 如：
The familPlant needs water.
The family needs money.
2.3 其后接动名词，表示被动意义：
My car needs repairing. 我的车需要修理。(车需要“被修理” --- 被动意义。)
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