It kept raining for a week.

Source: Tatoeba

I can't go out, because I was injured a week ago in an accident.

Source: Tatoeba

I went without food for a week.

Source: Tatoeba

I haven't used Anki for a week, and now I'm behind by 500 cards.

Source: Tatoeba

It's been raining for around a week.

Source: Tatoeba

He has been sick for a week.

Source: Tatoeba

The trip will take at least a week.

Source: Tatoeba