18. My brother must wash the motorbike. (passive voice)

• The motorbike must be washed by my brother.

19. Brian is cutting the tiramisu with a light knife. (passive voice)

• The tiramisu is being cut by Brian with a light knife.

20. My boss delivered the documents to the Marketing department. (passive voice)

• The documents were delivered to the Marketing department by my boss.

21. Mrs. Bee was writing the financial report at 10 am yesterday. (passive voice)

• The financial report was being written by Mrs. Bee at 10 am yesterday.

22. The last time I cooked was 3 years ago. (haven't)

• I haven't cooked for 3 years.