have some difficulty 是用单数还是用复数

Question

如题所述

Answer 1

用复数
difficulty是可数名词，改为difficulties

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Answer 2

既然是some就是用复数difficulties

Answer 3

是单数
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Answer 4

have some difficulty中的difficulty可以用复数形式，所以可以说have some difficulties。
抽象名词表示某种抽象概念，常用的抽象名词包括：
youth 青春
age 年龄
society 交际
audience 接见
nobility 高贵
community 共有
painting 绘画
priesthood 祭司职位
抽象名词的用法包括：
一、不加冠词，无数的变化。
I love music.
This is important information.
二、表程度，可以用a little、little、much、any、some等。
I have little hope of success.
I have a lot of homework to do.
I have some difficulty in finding the answer to the question. （have some difficulty in doing something的意思是做某事有困难，这里的介系词in可以省去）
三、表示限定，用定冠词the。
Necessity is the mother of invention.
You ought to know the difficulty of learning Japanese.
四、数抽象名词时，用一些量词。
She sent us an item of news.
He gave me a wonderful piece of advice.
五、介系词加抽象名词，相当于形容词或副词。
He is a man of ability.
The information is of no value to me.
She passed the exam with ease.
六、有一些抽象名词具体化后，可以用作复数形式，前面也可以加不定冠词，如：
Here is someone with different hopes.
She is an acknowledged beauty.
This medicine has a lot of beauties.
She felt an unspeakable happiness.