B1:Chuyển các câu sau sang dạng (-)và câu (?) 1.Hoa and Hung is flying a kite 2.My father is reads book. 3.My mother and I are cooking 4.My grandma is listen to music.

 1 Hoa and Hung not  flying a kite

Are Hoa and Hung  flying a kite

2 My father not is reads book

Is your father  reading book

3 My mother and I not are cooking

Are your mother and you  cooking

4.Is your grandma listening to music

1.Hoa and Hung is flying a kite

⇒ Hoa and Hung is not flying a kite

⇒Are Hoa and Hung flying a kite?

2.My father is reading book.

⇒ My father is not reading book

⇒ Is my father reads book?

3.My mother and I are cooking

⇒My mother and I are not cooking

⇒ Are my mother and I cooking?

4.My grandma is listen to music

⇒My grandma is not listening to music

⇒Is my grandma listening to music?