"The" is an article (a determiner), a word that introduces a noun or pronoun that helps to determine something about that noun or pronoun.
The article "the" is called a "definite article" because it tells you that the noun or pronoun is a specific person or thing.
The other articles are 'a' and 'an' are called "indefinite articles: which tell you that the person or thing is any one.
it depends what word it is it could be any part of speech depending on the sentence
it is an English speech
A suffix changes a word's part of speech. For example, the word 'happy' is an adjective. But when you add a suffix, which is an ending, it can change the part of speech. Happily is an adverb. Happiness is a noun.
The word 'the' is capitalized when it is the first word in a sentence (as the beginning of this sentence) or part of a title ("The Last Supper" or "The Cat In The Hat") . The first word in a sentence or title is always capitalized.
verb
In this sentence, "beginning" is a noun. It refers to the starting point or the initial stage of something.
it depends what word it is it could be any part of speech depending on the sentence
What "part of speech" is the word "said?"
The word sentences is a noun. It is the plural form of sentence.
The term for knowing a word's part of speech in order to appropriately use it in a sentence is "word-usage."
It is a verb.
By use of the word in a sentence.
A word is a part of speech, not a sentence like the one in your example.
The use of the word in the sentence derminates the part of speech
The word 'this" in the sentence is an adjective describing book.
it is an English speech
A verb.