what r affirmative and negative sentences

Affirmative sentence is a traditional grammatical term for any statement that is positive, not negative.

Instances:

- She has fallen down

- They will go to visit the temple

- I have an apple

A negative sentence states that something is not true or incorrect. A negative adverb has to be added in order to negate the validity of the sentence.

Instances,

- I do not play guitar

- They did not reach Goa

- You will not speak