Question

change passive voice to active voice
Lifelong companionships is provided to adopters by shelter pets.
The cost of pet vaccinations are often covered by the shelter.
Many shelter pets are already trained and have been cared for by professionals.

Answer 1

Here are the sentences changed from passive voice to active voice:

1. Shelter pets provide lifelong companionships to adopters.
2. The shelter often covers the cost of pet vaccinations.
3. Professionals have already trained many shelter pets and have cared for them.