This castle has existed for centuries.

I will work using this laptop.

This old building tells the history of our town.

I am working now.

He is interested in the history of the past.

This old house is the one where my grandparents lived.

This is the busiest time up to this very moment.

He is still trying to solve the problem even now.

I have never eaten such delicious sushi until now.

I am working now.