To look back is to remember or think about the past.
Examples of use:
1. When I look back on my childhood I remember how happy I was.
2. There’s no point looking back all the time; it’s better to think about the future.
infinitive – look back
present simple – look back and looks back
-ing form – looking back
past simple – looked back
past participle – looked back
Image by Horia Varlan
