This could have worked if I ______ been more far-sighted.

শূন্যস্থানে had বসবে। সম্পূর্ণ বাক্য: This could have worked if I had been more far-sighted. এটি third conditional।

• Third conditional: If + had + V3 = would/could/might have + V3।
• Condition ও consequence দুটি অংশ থাকে।

Conditional-এর চার ধরন:

• Zero: If + Present + Present (scientific ও general truth)
• First: If + Present + Future
• Second: If + Past Simple + would/might/could + Base Form
• Third: If + had + V3 + would/could/might have + V3