There is the building. My dad is working there.
There is the building where my dad is working.
Winter is the time of the year. It snows heavily then.
Winter is the time of the year when it snows heavily.
That was the summer. I met my wife then.
That was the summer when I met my wife.
Summer is a season. Many people go to Nha Trang then.
Summer is a season when many people go to Nha Trang.
August is the month. Most people go on holiday then.
August is the month when most people go on holiday.
There is the hospital. I was born there.
There is the hospital where I was born.
This is the time. He usually has lunch then.
This is the time when he usually has lunch.
I know the house. Tom lives there.
I know the house where Tom lives.
That is the hotel. I stayed there last summer.
That is the hotel where I stayed last summer.
That is the restaurant. I had dinner there on my birthday.
That is the restaurant where I had dinner on my birthday.
That is the house. I grew up there.
That is the house where I grew up.
That was the day. I met my best friend then.
That was the day when I met my best friend.