I'm ready for supper.
That supper was great!
Your question is a good sentence using the word "common".
Obviously you are not capable of using a word in a sentence!
This is an example of an exclamatory sentence using the word happening!
Here is a sentence using the word general: Tim was promoted to a General in the Army.
a good sentence is "I cannot use oversimplification in a sentence." that sentence is oversimplification.
my mom used to prepare a nice supper
Supper is usually a light dinner.
a good cold weather supper is a big bowl of Irish stew.
It is my turn to clear the kitchen table after supper.
He made sure to finish all the necessary labour on the farm before going in for supper each night.
His eyes were downcast as he was sent to his room with no supper.
She solemnly sat and ate her supper.
The table was spread with tasty vituals for our supper
I am not writing a sentence using that word.
The word 'the' is capitalized when it is the first word in a sentence (as the beginning of this sentence) or part of a title ("The Last Supper" or "The Cat In The Hat") . The first word in a sentence or title is always capitalized.
a sentence using the word endotracheal
This is a sentence using the word aviator.