________ if he had enough opportunity.

Past Future (would/ could/ might + Verb এর Base Form) + If + Past

Note: had এর পর অন্য Verb এর Past Indefinite না থাকলে had ই মূল Verb.
তাই if he had enough opportunity এটা 2nd Conditional নির্দেশ করছে।


Structure of conditional sentence:
• Zero Conditional = If + Present + Present (shows scientific and general truth)
• 1st Conditional = If + Present + Future
• 2nd Conditional = If + Past Simple + Future in Past (S + would/might/could + Base Form of the Verb)
• 3rd Conditional = If + Past Perfect (had +V3) + Perfect Modal (S + would have/could have/might have + V3)