then

At that time in the past or in the future.

• I was living in London then.
  O zamanlar Londra'da yaşıyordum.
• Call me next week; I'll be less busy then.
  Gelecek hafta ara; o zaman daha az meşgul olacağım.

Next; immediately after something else.

• Finish your homework, and then you can play.
  Ödevini bitir, sonra oynayabilirsin.
• We had dinner and then went for a walk.
  Akşam yemeği yedik, ardından yürüyüşe çıktık.

Used to say what is true or should happen as a result of what has just been said.

• If you're tired, then you should go to bed.
  Yorgunsan o hâlde yatmalısın.
• "I'm not hungry." "Then why did you order a pizza?"
  "Aç değilim." "Öyleyse neden pizza sipariş ettin?"

Used in conversation to show that you are agreeing, ending or moving on to something new.

• OK then, I'll see you tomorrow morning.
  Peki o zaman, yarın sabah görüşürüz.
• Right then, let's begin the lesson.
  Peki, derse başlayalım.

Used to add another point, often something that makes a situation more difficult.

• The flight is expensive, and then there's the hotel.
  Uçuş pahalı, bir de otel var.
• We need to buy food, and then there's the rent to pay.
  Yiyecek almamız lazım, ayrıca ödenecek kira var.