Choose the correct verb form to complete each sentence. Choose the correct option. My mother's vase was broken by the cat yesterday. The proposal was approved by the board of directors. Don't worry! The cake will be made by my sister for the party tonight. The film was watched by the family last night. This mistake was made by the new employee, and that's why he was fired.

To complete each sentence correctly, you need to choose the right verb form, keeping in mind the structure of the passive voice. Here are the correct verb forms for each sentence:

1. My mother's vase was broken by the cat yesterday.
   (Past simple passive: "was broken" because the action happened yesterday.)

2. The proposal was approved by the board of directors.
   (Past simple passive: "was approved" indicates that the action was completed in the past.)

3. Don't worry! The cake will be made by my sister for the party tonight.
   (Future simple passive: "will be made" is used because the action will happen in the future.)

4. The film was watched by the family last night.
   (Past simple passive: "was watched" refers to a completed action in the past.)

5. This mistake was made by the new employee, and that's why he was fired.
   (Past simple passive: "was made" because the action occurred in the past.)