Đổi các câu sang thể phủ định và nghi vấn .viết rút gọn nếu có thể
ex: I am a student = I’m not a student
Am I a student
1. those are his books and pencils.
2.my father is an engineer
3.they are nurses
4. this is my brother
5.you are a teacher
6.she is my sister
1. those aren’t his books and pencils.
2. my farther isn’t an engineer.
3. they aren’t nurses.
4. this isn’t my brother.
5. you aren’t a teacher.
6. she isn’t my sister.
1. (-) Those aren’t his books and pencils.
(?) Are those his books and pencils?
2. (-) My father isn’t an engineer.
(?) Is your father an engineer?
3. They aren’t nurses.
Are they nurses?
4. (-) This isn’t my brother.
(?) Is this your brother?
5. (-) You aren’t a teacher.
(?) Are you a teacher?
6. (-) She isn’t my sister.
(?) Is she your sister?