If i spoke English fluently, i can give reply in meetings
First Conditional (Real Future Possibility):
"If I speak English fluently, I will be able to give a reply in meetings."
Second Conditional (Unreal or Hypothetical Present or Future):
"If I spoke English fluently, I would be able to give a reply in meetings."
Third Conditional (Unreal Past):
"If I had spoken English fluently, I would have been able to give a reply in meetings."