Countable and uncountable nouns

All and half can be used with countable and uncountable nouns.

Allandhalf与可数名词和不可数名词连用均可.

English nouns can be practically classified into countable nouns and uncountable nouns.

英语名词可以从实用的角度分为可数名词及不可数名词.

Some nouns can be both countable and uncountable. Uncountable nouns even can be countable or in plural form.

有些名词既可以用作可数名词也可以用作不可数名词，甚至一些不可数名词也可以用作可数名词或以复数形式出现。

The misuse of the countable nouns and uncountable nouns, the definite articles and indefinite articles, the misuse of the possessives of the numerals and the cardinals.

包括：混淆可数名词和不可数名词，混淆特指代词和泛指代词，误用不定冠词，误用定冠词，误用英语所有格，混淆基数词和序数词。

However, there is no absolute boundary between countable nouns and uncountable nouns.

但是可数名词和不可数名词，并没有明确的界限。