18. The girls sang a lovely song.
a. A lovely song is sung by the girls.
b. A lovely song was sung by the girls.
19. Sweety will bake a cake.
a. A cake will be baked by Sweety.
b. A cake is going to be baked by Sweety.
20. Cloud washes the dishes.
a. The dishes is washed by Cloud.
b. The dishes are washed by Cloud.
Answers & Comments
18.a
19.b
20.b
hipe it helps