Làm giúp mình với nhé

=>
C/
2. Our mother is in the kitchen./ Our mother isn't in the kitchen.
3. I am hungry./ I am not hungry.
4. We are in class now./ We are not in class now.
5. My motorbike is new./My motorbike isn't new.
6. My parents are from Manchester./ My parents are not from Manchester.
7. I am 23 years old./ I am not 23 years old.
8. It is very cold today./ It isn't cold today.
D/
2. Are they from Malaysia?
3. Are you parents at home?
4. Is our school very new?
5. Is your brother tall?
6. Are you 19 years old?
7. Are you thirsty?
8. Is your house near here?
Be ở thì HTĐ :
(+) S is/am/are....
(-) S is/am/are not...
(?) Is/Am/Are S...?