(1) Your homework must be done before coming to the class.
(2) Could the flowers be watered?
(3) My motorbike may be repaired by my dad.
(4) I will be given a huge bunch of flowers on my graduation day.
(5) All belongings must be left behind by visitors before entering the playroom.
(6) This shirt must not be ironed under high heat.
(7) The tickets ought to be kept by passengers as they will be checked by the staff at the end of the ride.
(8) Books can be borrowed from the library for 2 weeks by students.
(9) This basket of food has to be brought to your grandma's house before noon.
(10) More outdoor activities should be held by schools for students to experience and learn from.
(12) This tree doesn't have to be watered regularly.
(13) These new words should be learned by heart in order to do these exercises.
(14) This story was told to them by their grandmother when she was visited last week.
(15) Have the Christmas cards been sent to your family?
(16) This house and these cars are going to be painted by the Greens for Christmas Day.