ARTICLE · 1357043
高中英语语法——不可数名词与量化表达
三、不可数名词与量化表达
不可数名词不能直接与数词连用，需要借助「量词 + of」的结构来表示数量或份数；其中一部分抽象名词在特定语境下可以「具体化」，前面加上 a/an 表示一次、一件、一种，这是高考常考的细微差别。
（一）量化结构
量词结构 | 适用对象 | 示例 |
a piece of | 信息、建议、消息、纸、音乐 | a piece of news ／ advice ／ paper ／ music |
an item of | 新闻、信息、设备 | an item of information |
a bit of ／ a little | 不可数量 | a bit of water ， a little salt |
a slice of | 片状食物 | a slice of bread ／ meat |
a loaf of | 长条面包 | two loaves of bread |
a bar of | 条状物 | a bar of chocolate ／ soap |
a sheet of | 扁平的纸张、玻璃 | a sheet of paper ／ glass |
a bottle ／ glass ／ cup of | 液体 | a glass of water ， two cups of tea |
a pair of | 成对物品 | a pair of shoes ／ glasses ／ scissors |
a sum of | 金钱 | a large sum of money |
（二）抽象名词具体化
部分抽象名词在表示「一次／一件／一种」具体的人或事时，可转为可数名词，前面用 a/an。这类词常见于高考单项填空。
不可数（抽象） | 可数（具体化） | 例句 |
pleasure 愉快 | a pleasure 一件乐事 | It's a pleasure to meet you. |
surprise 惊讶 | a surprise 一件令人惊讶的事 | What a surprise to see you here! |
success 成功 | a success 一个成功的人／事 | The party was a great success. |
failure 失败 | a failure 一个失败的人／事 | He is a failure as a leader. |
honour 荣誉 | an honour 一件光荣的事 | It's an honour to be here. |
pity 同情 | a pity 一件遗憾的事 | It's a pity that you missed it. |
experience 经验 | an experience 一次经历 | It was an unforgettable experience. |
help 帮助 | a help 一个有帮助的人／物 | Your map was a great help. |
must 必须 | a must 必需品 | Sunglasses are a must in summer. |
danger 危险 | a danger 一个危险的人／物 | The man is a danger to society. |
（三）典型例句
英文例句 | 中文释义 | 要点 |
I'd like a loaf of bread. | 我想要一条面包。 | bread 不可数，用 loaf 计量 |
She gave me two pieces of advice. | 她给了我两条建议。 | piece 变复数， advice 不变 |
There is much furniture in the room. | 房间里家具很多。 | furniture 不可数，用 much 修饰 |
We have made great progress. | 我们取得了很大进步。 | progress 不可数，不加 a 、不加 s |
What a pity you can't come! | 你不能来真遗憾！ | pity 在此具体化为可数 |
He told us of his experiences abroad. | 他给我们讲了他在国外的经历。 | experience 表「经历」时可数 |
（四）易错点
·❌ two advice → ✅ two pieces of advice
·❌ a good news → ✅ a piece of good news
·❌ many furnitures → ✅ much furniture
·❌ a great progress → ✅ great progress
·❌ two breads → ✅ two pieces／loaves／slices of bread
·⚠️ 「量词 + of + 不可数名词」作主语时，谓语动词的数由量词决定：A piece of news is good.／Three pieces of news are encouraging.
