Sentences should consist of a main clause, which can include:
(Operator)
(doing)
Object
(What is acted upon?)
Conjunctions:
Conjunctions include words like:
And - to expand on a claim or statement
but - used to introduct a counter to a claim or a statement
because - connect a claim/ statement to some evidence
so - to describe a cause and effect (relationship to the claim)
Examples:
Tom writes a sentence because it is a useful way to communicate information.
Tom writes a sentence and is getting a headache from looking at the screen.
Tom writes a sentence so his students have an example to follow.
Tom writes a sentence but keeps writing about himself.
Examples:
Tom, the students teacher, writes a sentence because it is a useful way to communicate information.
Tom writes a sentence and is getting a headache, a form of pain in his head, from looking at the screen.
Tom writes a sentence, a collection of connecting words, so his students have an example to follow.
Tom writes a sentence but keeps writing about himself, the teacher of the class.