If they had known about the storm, they ______ out.

• Complete sentence: If they had known about the storm, they wouldn’t have gone out.
- Bangla meaning: যদি তারা ঝড়ের বিষয়ে জানত, তবে তারা বাইরে যেত না।

• উল্লিখিত Sentence টি একটি Third Conditional sentence.
• Third conditional -এর নিয়মানুযায়ী:
- If clause (শর্তযুক্ত অংশে)-এ যদি (had + V3) হয়, তবে পরবর্তী clause -এ would/could/might + have + V3 + extension হয়।

• Structure: If + Past Perfect (had +V3) + Subject + would/could/might + have + verb-এর past participle.
- Negative অর্থ প্রকাশ করলে would/could/might + not হয়।

• Note: 'If' clause -টি sentence -এর শুরুতে বা শেষে বসতে পারে।

• More Examples:
1. If you had studied harder, you would have passed the exam.
2. If he had not supported me, I would have given up.