Have you ever seen a trumpeter swan at the lake in the park?

Cygnus is one of the summer constellations.

I saw a whooper swan in the park.

What is this box used for?

My grandfather underwent cataract surgery.

Looking out the window, there was a rain shower.

He is a famous painter.

He is learning the technique of beating gold.

I want to see the midnight sun at least once.

I bought a new broom to clean my room.