That is his teacher.
=> Phủ định : That isn't his teacher.
=> Nghi vấn : Is that his teacher?
*Phủ định:
=>That isn't his teacher.
*Nghi vấn:
=>Is that your teacher?
phủ định: that is not his teacher
nghi vấn: is that his teacher?
đúng rùi đó
That is his teacher .
=> That isn't his teacher .
=> Is that his teacher ?