kind 名词是复数还是单数

复数。
如上

复数
all kinds of

名词是可数的
就是说 在表示很多的时候 用复数 KINDS
如，many kinds of pictures 很多种类的图片

kind: [ kaind ]
a. 仁慈的,友好的
n. 种类

词形变化:
形容词比较级:kinder *:kindest

例句与用法:
1. We often do this kind of exercise.
我们经常做这类练习。

2. Taking a blind man across the street is a kind act.
扶盲人过马路是一种善良的行为。

3. People had told me she was very pleasant but she's nothing of the kind.
人家告诉我她很可爱，可是她根本不是那样。


英英解释:
名词kind:
1. a category of things distinguished by some common characteristic or quality
同义词：sort, form, variety
形容词kind:
1. having or showing a tender and considerate and helpful nature; used especially of persons and their behavior
2. agreeable, conducive to comfort
同义词：genial
3. tolerant and forgiving under provocation
同义词：tolerant

单数啊
a kind of
all kinds of
都能有复数形式了,那kind自己绝对是单数嘛..

复数
all kinds of