My dad built the house. — The house\mathllap{\raisebox{-0.5em}{$ — — — — \,$}} (build) was built by my dad\mathllap{\raisebox{-0.5em}{$ — — — — \,$}}.

1. Tom asked Sarah about the weather.

   Sarah Tom was asked about the weather by Sarah by Tom .

2. He gives her presents.

   She He is given 's given presents by her by him .

3. The waiter in the restaurant was serving Mike.

   The waiter Mike was being served by the waiter by the restaurant .

4. Jennifer told us a joke about cats.

   Jennifer We were told a joke about cats by us by Jennifer .

5. The students will meet the professor in the library.

   The students The professor will be met in the library by the professor by the students .

6. The boss hasn't given me the task.

   The boss I have not been given 've not been given haven't been given the task by the boss by me .

7. Angela has forgotten the poem.

   The poem Angela has been forgotten 's been forgotten by Angela by the poem .