(Video: Go Natural English)
These are three ways that you can suse the seconde conditional
1. Improbable Future (Future Improbability)
======> If I had a lot of money, I would travel all the time.
2. Impossible Presence
=======>If I knew your birthday, I would send you a birthday present.
3. Suggestion (or opion)
=========>If I were you, I would study harder.