0Affirmative and Negative Sentences:
What are Affirmative sentences?
Ans: Affirmative sentences are those sentences that convey some positive sense or meaning. For example, I have a book.
What are Negative Sentences /
Ans: Negative sentences are those sentences that convert some negative sense or meaning. 
For example, I have no book in my bag. I am not bad-looking.
N.B. In most cases, negative sentences have some negative words like no, not, neither, etc.
Now, write A for affirmative sentences and N for the negative sentences :
- I am a teacher.
- You are a student.
- He has no pen.
- They are not working now.
- He is neither a teacher nor a doctor.
- I have spectacles in my eyes.
- My vest is white in color.
- My hair is not white.
