Question

IV.Change into the negative and interrogative form :

25.Their friends are writing English words._______________________________________________________________________________________________________________________________26.There is a light on the ceiling._______________________________________________________________________________________________________________________________________27.Mai brushes her teeth every morning . _______________________________________________________________________________________________________________________________

28.Nam has breakfast at 6 every day .___________________________________________________________________________________________________________________________________
 

Answer 1

25.Their friends aren't writing English words.
26.There isn't a light on the ceiling.
27.Mai doesn't brush her teeth every morning.
28.Nam doesn't have breakfast at 6 every day.

    

Answer 2

IV.Change into the negative and interrogative form :

25.Their friends are writing English words.

Their friends aren't writing English words

Are their friends writing English words?

26.There is a light on the ceiling.

There isn't a light on the ceiling

Is there a light on the ceiling?

27.Mai brushes her teeth every morning .

Mai doesn't brush her teeth every morning

Does Mai brush her teeth every morning?

28.Nam has breakfast at 6 every day 

Nam doesn't have breakfast at 6 every day

Does Nam have breakfast at 6 every day?