An affirmative sentence, as the name suggests, is a sentence structure that affirms a proposition, a day-to-day action, an idea, a request or a random thought. In simpler terms, it can be said that an affirmative sentence is a positive statement.

An affirmative sentence, as the name implies, is a sentence that affirms or confirms a fact, an everyday action, an idea, a request, or a general notion. In other words, an affirmative sentence is a positive statement.

In the simplest terms, an affirmative sentence is a positive statement. As per the Oxford Dictionary of English Grammar, an affirmative sentence refers to one that "states that a thing is so; answers 'yes' to a question made or implied."