About the only time you can exclude the subject from the sentence is where it's understood (this will tend to be imperative sentences, where the subject is understood to be "you", as in "Get down from there!").
You don't need to repeat the subject in the subordinate clause, though.
Does a sentence need a subject?
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.
That would be the subject of the sentence.
Georgia and her friends raced together to the school
The subject of the sentence is "you"
A subject in a sentence is who, what, or where the sentence is about.
The subject is who or what the sentence is about.
You is the subject of that sentence.
Yes. In "You baked a cake", "you" is the subject.
A subject is what the sentence is about.To make a sentence with a subject think like if it was a theme.
The subject tells who or what the sentence is about.
What is the subject of this sentence? She was the subject of an investigation.
"They" is the subject of that sentence.
Does a sentence need a subject?
The subject in the sentence is "you."
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.