He was watching the stars on the rooftop.

I will go north tomorrow.

We are planning to go north tomorrow.

He filed a complaint about the service.

He was forced to quit sports for medical reasons.

This vegetable is rich in essential nutrients.

We went to the swimming beach with our family during the summer vacation.

He is quite a good cook.

I think his Japanese has improved quite a bit, hasn't it?

I am busy with work during the daytime.