come on! = do it! (we encourage somebody to do something)
- Come on! Call him! I know he will be very happy if you do.
- Come on! Help him! He is your brother.
- Come on! Stop crying! It wasn 't that terrible!
- Come on! Hurry up!
- Come on! Tell us the truth!
- You can do it now! Come on!
- Quickly! Come on! The train is about to leave.
- When I look back on those days, I can 't help laughing! We had so much fun!
- Don 't look back on the past. It will only make you sad.
- Looking back, I realise I was wrong.
- Looking back now I cannot believe I made such big mistakes.
- Looking back on it now, maybe I was wrong after all.
- I look back on my childhood with joy.
- When I look back, I 'm surprised myself. How could I do such a thing?
- I look back on those years with nostalgia.