Answer: B) Were to be.
Explanation for this question is being written.
Answer: D) Should be cleaned.
Answer: B) Must be written.
Answer: B) Has to be done.
Answer: D) All tenses.
Answer: A) May be.
Answer: C) May be canceled.
Answer: C) Will
Answer: A) Must be reviewed.
Answer: A) Must be reserved.
Answer: D) Can-be-checked
Answer: C) The letter ought to be sent right away.
Answer: A) Will be allowed to.
Answer: A) Could be added.
Answer: D) Can be colored.
Answer: B) True
Answer: B) Subject $\rightarrow$ modal $\rightarrow$ verb.
Answer: D) Is being written.
Answer: C) The car can be repaired.
Answer: C) Can be grouped.
Answer: A) Children should be allowed to spend time playing with their friends.
Answer: B) Her son may be re-inrolled in that school.
Answer: C) Can be repaired.
Answer: A) Must be cleaned.
Answer: B) Can' t be put.
Answer: B) Must be offered.
Answer: D) Must be returned.
Answer: B) False
Answer: A) Will
Answer: C) Should be told.
Answer: B) She can't be persuaded by the doctor.
Answer: C) Should have.
Answer: A) Must have been taken.
Answer: B) Should be cleaned.
Answer: B) Can be viewed.
Answer: C) Can't be driven.
Answer: D) Won't be repaired.
Answer: C) Ought to be done.
Answer: B) The samples must be discard.
Answer: B) The task must be completed.
Answer: C) Can be done.
Answer: B) By whom ought the meal to be prepared today?
Answer: C) Should be submitted.
Answer: B) Shouldn't be allowed.
Answer: C) Can be used.
Answer: A) Must be followed.
Answer: B) Mustn't be parked.
Answer: A) True
Answer: A) Would be considered.
Answer: A) Is thought to.
Answer: A) Be given.
Answer: B) May be offered.
Answer: B) Label as auxiliary/modal within VP.
Answer: C) Could be used.
Answer: D) They should submit the task.
Answer: A) Can be drawn.
Answer: B) If I had more time, the report could have been written better.
Answer: A) Must be.
Answer: A) The package could be delivered tomorrow.
Answer: D) Must