Question

change to negative and interrogative form

a) i combed my hair
(+)
(-)
b) they played guitar yesterday
(+)
(-)
c) shes brushed her teeth last nigth
(+)
(-)​

Answer 1

Resposta:

como as frases estão positivas,e estão no passado vc irá usar "did".

Explicação passo-a-passo:

i combed my hair.

i didn't comb my hair.

did you comb your hair ?

they played guitar yesterday

they didn't play guitar yesterday.

did they play guitar yesterday ?

she brushed her teeth last night.

she didn't brush her teeth last night.

did she brush her teeth last night ?

(não sei se está certo,mas acho q é assim,se estiver certo espero ter ajudado.)