His business trip has been lasting for 6 month.
He didn't go to school last Wednesday.
In a week there are days and days: some are happy ones, some aren't.
He has been living in this house since 1989.
When he was a child he used to go skating.
On May 25th we celebrate our wedding anniversary.
There are 4 weeks in a month.
I started school when I was 6 years old.
I was born 60 years ago.
He came home for a short time.
