The dog is playing catch.

When my mother arrives.

Because I studied hard for my test.

I was watching my brother play video games.

Cheetahs are the fastest land animals.

While I was playing soccer.

When we get enough snow, we're going to go sledding.

I am trying to decide which book I want to read next.

The beach is a lot of fun, but the movies are even better.

I was very happy; I had pizza and ice cream.

I tend to be grumpy until I have my coffee in the morning.

She not only bought two dresses but she got matching shoes.