They are to buy a car.
This is the case of Infinitive (to + V₁). Active- (To + V₁) Passive- (To + be + V₃ (III form).
940 MCQ for effective preparation of the test of Voices of English Grammar section.
Read the MCQ statement: They are to buy a car. , keenly and apply the method you have learn through the video lessons for Voices to give the answer. Record your answer and check its correct answer and video explanation for MCQ No. 50-4329.