Pepe isn't stupid, but he fails his exams. Why? -- He doesn't study for them.
"If Pepe studied, he wouldn't/might not fail his exams."
Say which conditional you would use to give advice
Second conditional
If I were you, I would pay more attention.
Explain the difference between:
I'll tell you when I find out
I'll tell you if I find out
In the first we are sure the person will find out and will tell tell the other person then.
In the second we are not sure. It's possible that the person will find out but we don't know
Make a first conditional sentence. (The weather / to be as sunny tomorrow as it was today / we / to go surfing)
"If the weather is as sunny tomorrow as it was today, we will go surfing"