3.
AFFIRMATIVE: You read a book.
NEGATIVE: You don't read a book.
INTERROGATIVE: Do you read a book?
4.
AFFIRMATIVE: The boy plays in the park.
NEGATIVE: The boy doesn't play in the park.
QUESTION: Does the boy play in the park?
5.
AFFIRMATIVE: He sings at the concert.
NEGATIVE: He doesn't sing at the concert.
QUESTION: Does he sing at the concert?
6.
AFFIRMATIVE: The teacher teaches English.
NEGATIVE: The teacher doesn't teach English.
QUESTION: Does the teacher teach English?
