这三个动词均可表示“需要”，大家注意是表示“需要”，其后接不定式和动名词均可，且意义可以相同，但是所有语态有所不同：接动名词时要用主动式表示被动含义，而接不定式时则要用被动形式表示被动含义。如：

The room needs cleaning.

=The room needs to be cleaned.

这房间需要打扫了。

[V -ing , V to inf] The plants want watering daily.

这些花草需要天天浇水。

The plants want to be watered daily.

这些花草需要天天浇水。

The windows wanted cleaning

窗户该擦了。

《柯林斯高阶英汉双解学习词典》

The windows wanted to be cleaned .

窗户该擦了。

Her hair wants cutting. = Her hair wants to be cut.

她该剪头发了。

《柯林斯高阶英汉双解学习词典》

Lentils do not require soaking before cooking.