A simple sentence has a subject and a verb. it expresses a complete thought.
Examples:
The waves crashed against the shoreline.
Apples are his favorite fruit.
The dog buried the bone.
Her hair is bright red.
I was delighted to be answering such a simple question.
The roof is above the ceiling
He went along with their plan.
Absolute Zero is the temperature at which everything freezes.
Simple predicate
Show me!
I have plants.
yes you can, a very simple sentence. For example he is skipping.
The rules are beautifully simple
She was sincere and honest.
Assume the position!
You are an accessory to murder...
There is an electromagnet in that crane
I was delighted to be answering such a simple question.
We are studying acidity.
I like drinking cocoa
The roof is above the ceiling