什么是可数名词？

Countable nouns are for things we can count. We can say one, two, three, and so on, before them.

They have singular and plural forms. For example, apple (singular) and apples (plural).

• 我们使用 a 或 an before a singular countable noun. For example, a banana, an orange.
• We can use numbers before them. For example, three chairs.
• They have plural endings, usually -s 或 -es. 例如，, dogs, boxes.

什么是不可数名词？

Uncountable nouns are for things we cannot count individually. They are often liquids, materials, or abstract ideas.

They only have a singular form. We cannot add -s 或 -es 使它们变成复数。.

• We cannot use a 或 an 在不可数名词之前。.
• We cannot use numbers directly before them. For example, we don't say two waters.
• We often use words like some, a lot of, or measuring words like a glass of 和他们一起。.

How Do We Use 'a/an' and 'some'?

The words a, an, ， 和 some are very common with countable and uncountable nouns.

• 使用 a 或 an with singular countable nouns.

例如： I have a pen. She wants an apple.

• 使用 some with plural countable nouns.

例如： I have some pens. She wants some apples.

• 使用 some with uncountable nouns.

例如： I need some water. She wants some information.

How Do We Ask Questions with Countable and Uncountable Nouns?

When you ask about quantity, you use different words for countable and uncountable nouns.

• 使用 How many...? for countable nouns.

例如： How many books do you have? How many friends are coming?

• 使用 How much...? for uncountable nouns.

例如： How much money do you need? How much rice is left?

示例

• I have an idea.
• There are three cats in the garden.
• We need some milk for coffee.
• She gave me some good advice.
• How many students are in the class?
• How much sugar do you put in your tea?

练习

西班牙语母语者常犯的错误

西班牙语学习者常犯的错误

Many Spanish speakers find countable and uncountable nouns tricky because some nouns that are countable in Spanish are uncountable in English. For example, information (información) is plural in Spanish but singular (uncountable) in English.

• Mistake 1: Adding -s to uncountable nouns.
  错误： I need some informations.
  右： I need some information.
• Mistake 2: Using a/an with uncountable nouns.
  错误： I want a water.
  右： I want some water. (Or a glass of water.)
• Mistake 3: Using How many? with uncountable nouns.
  错误： How many money do you have?
  右： How much money do you have?

常见问题

What is the main difference between countable and uncountable nouns?

The main difference is that countable nouns can be counted individually (e.g., one chair, two chairs), and uncountable nouns cannot (e.g., water, not one water).

Can I use 'a' or 'an' with uncountable nouns?

不，你不能使用 a 或 an with uncountable nouns. Instead, use some, or a phrase like a cup of 或 a piece of.

Are all food items countable?

No, not all food items are countable. For example, apples 和 carrots are countable, but rice, bread, ， 和 cheese are usually uncountable.

Why is 'money' an uncountable noun?

Money is an uncountable noun because it is a general concept. We count specific units of money like dollars 或 euros, ，但不是 money itself.

相关课程

• Countable and uncountable nouns
• Countable and uncountable nouns
• Countable and uncountable nouns