" May" and " maybe" are closely connected but they are different parts of speech.

" May" 和" maybe" 有着密切的联系，但它们是不同的词类。

Well, they are part of a larger category called auxiliary verbs.

它们是一个叫做“助动词”的词类下面的一个小类。

An adjective is a special kind of word, called a 'part of speech'.

形容词是一种特殊的词语，是一种词类。

And we're talking about lexical sets: groups of words related to the same topic that come from the same part of speech, like nouns, verbs, adjectives, gerunds.

与同一主题相关的词组，它们来自同一词类，例如名词，动词，形容词，动名词。

We will look at the four major parts of speech that include most content words: nouns, adjectives, verbs and adverbs.

我们会看包括大多数实词的四个主要词类：名词、形容词、动词和副词。

Well, it's another one of these blend-words, where two words have come together to make a third word.

恩，这是混合词类中的一个，是把两个单词拼到一起第三个单词。

With all parts of speech, it's better to look at full sentences and think about context and meaning.

对于所有的词类，最好看完整的句子，思考上下文和意。

They're two different parts of speech.

它们属于不同的词类。

One problem is that similar-looking words can be different parts of speech.

一个问题是看起来相似的词可能是不同的词类。

A clitic is a part of speech that can't exist just on its own.

附着词是一种不能单独存在的词类。

Welcome to the English parts of speech.

欢迎来到英语词类。

It's not just a simple type of word with only one function; it has a variety of functions in a variety of ways we can use it in different parts of a sentence.

它不仅仅是一种只有单一功能的简单词类；它具有多种功能， 我们可以在句子的不同部分以各种方式使用它。

Well, when we do this, we do the same thing here, which is grammar, specifically, but now, we can change the word class.

好吧，当我们这样做的时候， 我们在这里做同样的事情， 具体来说就是语法，但是现在，我们可以改变词类。

You have the components of a sentence and you break down the different parts of speech and how they connect to one another.

你可以将句子的各个组部分拆解开来，分析不同的词类及其相互之间的联系。

In school, you learned about nine fundamental types of English words: nouns, pronouns, articles, verbs, adjectives, adverbs, prepositions, conjunctions, and interjections.

在学校里，你学过九种本的英语词类：名词、代词、冠词、动词、形容词、副词、介词、连词和感叹词。

In conclusion, both grammatical functions and word classes are important syntactic concepts.

总之，语法功能和词类都是重要的句法概念。

Firstly, the RELATION OF SUBSTITUTABILITY refers to classes or sets of words substitutable for each other grammatically in sentences with the same structure.

首先，替代关系（Relation of Substitutability）指的是在相同结构的句子中，可以相互替代的词类或词组。

Parts of speech that used to star mainly in grammar lessons have become controversial political lightning rods.

曾经主要在语法课上大放异彩的词类，如今已摇身一变，争议四起的政治引雷针。

The word classes included in each category may be roughly classified into: 1. Content words, which include nouns, adjectives, most verbs and most adverbs.

每个类别中包含的词类可以大致分：1.实词， 包括名词、形容词、大多数动词和副词。

Then you have specific opinions: words like 'delicious' that can only apply to certain categories of words.

然后你有具体的看法：像‘美味’这样的词只能适用于某些特定的词类。