The difference between them is a grammatical one.

它们之间的差异之存在于语法上。

ASL is broken down into many different grammatical parameters.

美国手语系统（ASL） 被分散成不同的语法单元。

A simple and consistent set of endings indicates grammatical functions of words.

简单、一致的单词结尾决定了它的语法功能。

That's a grammatical explanation;don't worry about it too much.

这是从语法上的解释，别太担心哦。

John made two grammatical errors in this sentence.

约翰在这个句中犯了两个语法错误。

And the last one is grammatical range and accuracy or your grammar.

最后一个是语法运用和准确性，或者说你的语法。

The same thing goes for the grammatical range.

语法范文也是一样。

So just think about adding in grammatical range because it isn't so easy.

请想想怎么加入语法运用，因为这并不简单。

Later on, these marks were given grammatical functions.

之后，这些标点被赋予了语法的功能。

Many examples and extra grammatical information are among the special features of this book.

本书别具特色，诸多及新增语法要点等。

Number two is not understanding grammatical terms.

第二是不懂语法知识。

We also use some other unusual grammatical forms when we're telling anecdotes and stories.

在讲故事和轶事的时候我们还会用上另外一些不常见的语法形式。

Function words have a grammatical purpose but do not carry much specific meaning.

虚词有语法目的，但没有多少具体的意思。

Other grammatical forms can be subjects too, like noun clauses and prepositional phrases.

其他语法形式也可以做主语，比名词从句和介词短语。

Maybe that's why we toss these punctuation marks around like grammatical confetti.

双重功能之因, 让人摸门不着。

But AAVE follows consistent grammatical rules every bit as sophisticated as other forms of English.

但是，非洲裔土话英语（AAVE）遵循相同的语法规则，样样与其他形式的英语一样复杂。

Each has its own unique history and characteristic pronunciation, vocabulary, and grammatical structures.

各有自己独特的历史、特色的发、词汇以及语法结构。

But thanks to something called grammatical aspect, each of those time periods actually divides further.

但多亏时态中的" 态" 这个概念，刚才那3种时态实际上还能继续细分。

Function words are words that have a grammatical purpose.

虚词具有语法功能。

We use certain phrases and grammatical structures to show formality.

我们会使用特定的短语和语法结构来表示正式。