[Grammar] Conditional Tense --What is it? Are these example correct?

[masterthief1324]

Examples:
1. When probability gives us a dim chance of surviving, I would hope that we surive.

2.All i'm saying is, if I die, I would prefer a colorful death.


I don't fully understand the conditional tense. What changes?

 

[fighting spirit]

Actually, it’s the conditional mood used when talking about something that hasn’t happened, or that can happen only if some condition is fulfilled

There are three types of Conditional Sentences + Zero Type