Past Tenses (Therapeutic effect of the pets)

Present Simple

Present Perfect

Past Continuous

Past Simple

Present Continuous

Past Perfect

Past Simple

Present Simple

Certainly, pets could help children develop friendship skills.

Certainly, pets did helped children develop friendship skills.

Certainly, pets had helped children develop friendship skills.

Certainly, pets must help children develop friendship skills.

Old people relied on pets for comfort and companionship in their twilight years.

Old people did relied on pets for comfort and companionship in their twilight years.

Old people have relied on pets for comfort and companionship in their twilight years.

Old people had relied on pets for comfort and companionship in their twilight years.

Do you have any pets?

Pets aren't allowed in this hotel.

There was a fashion for keeping reptiles as pets.

We were watching buildings fall on top of people and pets.

Virtual pets are also a great diversion for children that may be allergic to a certain kind of pet that they love but could never have.

Some common pet animals include dogs, cats, rabbits, and fish.

Users are able to make their own cyber pets or adopt existing virtual animals from the "Neo Pound".

Last year there had been many instances where pets had acted as protectors of their master.