every sentence is a sentence because its proper English, without it you wouldn't know what someone is saying, or understand them.
2nd Answer:
The question if What, not Why . . .
A sentence needs an object and a verb. "Jimmy runs." "Elvis sang", and so forth.
If you include expletives as sentences, then there is just one word, and the other requirements are assumed. "My!" "Good!" "Go!" Notice that in the case of expletives, an exclamation mark is required.
A noun and a verb. "John ran" is a complete sentence because it contains both.
Something at the end of a sentence. dur :D
Every sentence needs a verb. No matter what, there's a verb.
Noun and verbevery sentence must have a subject and a predicate!!
Every Wednesday I go to see my Grandma for tea.
You must punctuate every sentence. You will learn to correctly punctuate sentences when you learn the types of sentences.
If you need a Judge just call a officer. In every football match you will need a judge.
Proper nouns, names and the begging word for every sentence
I am so fat, I need a new scale to weigh me every day.
Example sentence - Every night the sisters would read aloud from the old book and discuss it the next morning.
The first word in every sentence is capitalized.
Yes, every sentence can be an utterance but not every utterance can be a sentence. This is because an utterance can be just an action of saying or expressing something aloud which may not be a sentence. However, every sentence (that is spoken) can be an utterance because sentences can be said to be a more 'complete' version of an utterance.