Used in that way it refers to a possessive of more than one boy. So if there were a lot of boys playing in the mud and all of their shoes got dirty, you could have the following sentences:
The boys' shoes were very dirty. The boys' shoes are as dirty as a muddy puddle.
If it was just one boy whose shoes got dirty it would be:
The boy's shoes were very dirty. The boy's shoes are as dirty as a muddy puddle.
The girl rode a boy's bike.
The boy's coat was torn and dirty.
Boy's is a possessive noun.
The boys all wanted boy's bikes, while the girls all wanted girl's bikes.
The boy was scared of the dentist.
The lady picked up the boy's ball off of the ground.
Boy's is a possessive noun.
My sister said she didn't want to ride a boy's bike.
There is a disproportion between the boys body and feet. Another good sentence would be, there is a disproportion between the hat and the boys head.
The boys obnoxious attitude did not jibe with the other students.
Maladjusted young boys can often turn to crime.
The boys' locker room was so fetid that no one wanted to go in it.
Yes, the sentence, "The two boys are tall." is a complete sentence. The subject: boys (the complete subject is 'the two boys') The verb: are The word 'tall' is the predicate adjective (also called a subject complement), an adjective following a linking verb which describes the subject of the sentence.
The boys' vision was quite blurry.
There is a disproportion between the boys body and feet. Another good sentence would be, there is a disproportion between the hat and the boys head.
Little boys have an affinity to toy guns.
The boys father was gravely ill.
The rowdy group of fans cheered loudly during the game, causing a disturbance for other spectators.
The girl disobliged the boys wishes, she had no interest for what he had to say to her
All the girls' lunchboxes were hidden by the boys in class.
The young boys had a great time jumping in the puddle.
Example sentence - The boys traded baseball cards as a hobby.
To mollycoddle someone is to spoil them. An example sentence would be: He absolutely loves to mollycoddle his 2 boys.
A sentence using the word faithful is: The boys have been faithful fans of the team since they were toddlers.
The alto boys and girls are an octave lower than soprano.