What's the difference between the one of the boys and the only one of the boys? It's not that the antecedent is modified only, but the relative must be that? If the antecedent is the one of the films, one of the films, what are the relative words?

Yes, the one of the boys one.the The only one antecedent is the only one, which can only be used that second, the one of the films. One is preceded by the, which is obviously emphasized, so the antecedent is the one

How to judge the antecedents in attributive clauses
1）He was one of the students who were late this morning.
He was one of the students who were late this morning
Many students are late this morning, but he is just one of them
2）He was the only one of the students who was late this morning.
He was the only one of the students who was late this morning
The relative pronoun who refers to the antecedent the only one,
These two sentences are very typical. How to judge the antecedent? Why is one the students, the only one and the one of = the only one of

This is a regular collocation in English
He was one of the students who were late this morning
The only one of the students, in which there is an only, adopts the singular principle
I hope I can help you

What's the difference between one of and the one of in attributive clause?

I like the books, one of which is written by Trolstoy.
I like books, one of which is written by Tolstoy
I like the book, the one of which all of us are fond.
I like books, which we all like
"One of which" means plural
The one of which is modified by the singular

Is the most of bread singular or plural
rt.
In addition, can you add countable or uncountable after most of?

Singular number

Is most followed by a noun in the singular or plural?

The difference between most and most is that it has a general indication range

A great deal of

A great deal of can only be followed by uncountable nouns
I spent a great deal of my time on this work
In addition, a great deal of can also be said to be a good deal of

Can a great deal of be followed by a countable noun

Before we answer this question, let's look at the English meaning of a deal. Deal in a deal is a noun. A deal means "a large amount; much (dated)" in English and "a lot; very" in Chinese. The usage of a deal as "much" is out of date. A deal of means "a lot, many (dated)". Let's look at the following examples
I've got a lot to do this week
A deal is used as an object in a sentence, which means "a lot of things". At this time, the meaning of a deal is more general. If you want to point out the object clearly, you need to add of after it
I've got a deal of work to do this week
A deal of is used as the attributive of work, which means "a lot, a lot, a lot"
The example sentence of "a deal" is as follows
A great degree / a good degree is a great degree / a good degree by adding "great" or "good" before "great" in "a degree". It means "a large quantity of something [= a lot]; much" in English and "a lot; very (much)" in Chinese. Let's talk about a great degree first
A great deal is a noun phrase, which means a great of things when it is used as an object in a sentence. When it is used as an adverbial, it can modify the comparative degree of a verb, adjective or adverb, which means very much
They had a great deal to talk about
A great deal of things, a lot of things, a lot of situations. After a great deal of, of can be used to point out the object
He has given me a great deal of help
A great deal of is used as the attributive of help, which means "a lot, a lot"
A great deal modifies the comparative degree of a verb, adjective or adverb
The nurses did a great deal to keep my wound clean of infection
He was a great deal interested in music
You'd feel a great deal more comfortable if you did
She is a great deal better today
Tom studies a great deal harder than last term
In a word, if you combine a deal / a great deal / a good deal with much, you will find that these words are closely related and easy to understand
Many debates have been generated by Thornton's controversial paper
A great deal of the exhibition was abandoned to his recent work
A good deal (of) is the same as a great deal (of), but the latter is more common
A great deal of followed by countable nouns appeared in English and American dictionaries before, but it was later amended to be followed by uncountable nouns. In this way, a great deal of only followed by uncountable nouns has become common sense. However, a great deal of can be followed by both uncountable and countable nouns, for example:

Does a great deal modify countable or uncountable?

A great deal of + uncountable nouns
A great number of + countable plural nouns

Can a great / large number of be followed by uncountable nouns?

No, I can't
A great / large number of is followed by a countable noun
A great deal of is followed by an uncountable noun

A large number of can only be used before countable nouns

A noun that is countable and plural
a large number of students
A lot of students

What's the difference between the one of the boys and the only one of the boys? It's not that the antecedent is modified only, but the relative must be that? If the antecedent is the one of the films, one of the films, what are the relative words?