countable noun的意思|示意

Countable nouns refer to things that can be counted using numbers, such as one pencil, two phones, three books, etc. Countable nouns can be used with singular and plural forms.

When a countable noun is used in the singular form, it usually refers to one thing, such as one book, one pencil, one phone, etc. In this case, it is usually followed by a singular verb. For example:

This book is interesting.

When a countable noun is used in the plural form, it usually refers to more than one thing, such as two books, three pencils, four phones, etc. In this case, it is usually followed by a plural verb. For example:

These books are interesting.

In addition, countable nouns can be used with a/an and some. A/an is used to refer to one person, thing, or idea whereas some is used to refer to one, two, or more than two people, things, or ideas. For example:

I bought a book.

I bought some books.

In conclusion, countable nouns are those that can be counted using numbers and can be used with singular and plural forms. They can also be used with a/an and some and followed by either a singular or plural verb.