S: the car
O: (they)
V: repaired
active: Have they repaired the car yet?

S: the car
O: (they)
V: repaired
active: Have they repaired the car yet?

Has the car been repaired yet ?

             O               V

chủ ngữ đã được lược bỏ trong câu

S: the car

V: repaired

O: yet

Find S-O-V and write active :

Was the car taken to the garage yesterday ?

The car: S

take: V

-> Did they take the car to the garage yesterday?

Find S-O-V and write active :

Was the car taken to the garage yesterday ?

The car: S

take: V

-> Did they take the car to the garage yesterday?

By the end of the party, people had eaten all the food

Find S-O-V and write active :

By the end of the party all the food had been eaten.

All the food: S

eat: V

-> By the end of the party people had eaten all the food.

By the end of the party, people had eaten all the food

I must have thrown away my classes by mistake

S : I

O : my classes

V : throw