no.
Their is a possessive pronoun, by itself it cannot be the subject of a sentence. We, they, I, he,she, it can be subjects but not their.
Their can be part of the subject if it has a noun with it:
Their dog chased my cat; here "their dog" is the subject.
Yes, "their" can be the subject of a sentence. For example: "Their decision to leave surprised us all."
The subject in the sentence is "you."
The subject of the sentence is "you."
Yes, "you" can be the subject in a sentence. For example, in the sentence "You are my friend," "you" is the subject.
"They" is the subject of that sentence.
To locate the subject of a sentence, identify who or what the sentence is about. The subject is usually a noun or pronoun that performs the action of the sentence. Look for the main verb in the sentence and ask "Who or what is doing the action?" to determine the subject.
A subject in a sentence is who, what, or where the sentence is about.
The subject is who or what the sentence is about.
A subject is what the sentence is about.To make a sentence with a subject think like if it was a theme.
The subject in the sentence is "you."
What is the subject of this sentence? She was the subject of an investigation.
The subject tells who or what the sentence is about.
Does a sentence need a subject?
Who or what the sentence is about is the subject of the sentence.
Who or what the sentence is about is the subject of the sentence.
The subject of a sentence is who or what that sentence is about.
A sentence missing a subject or a verb is a fragment.
That would be the subject of the sentence.