If you had driven more carefully, _______________ . (complete the sentence)

Correct answer: you would not have had an accident.
Complete sentence: If you had driven more carefully, you would not have had an accident.
- প্রদত্ত বাক্যটি 3rd conditional এর উদাহরণ। তাই If যুক্ত Clause টি past perfect হওয়ায় পরবর্তী Clause এ would not have এর পর verb এর past participle হয়েছে।

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।

Source: A Passage to the English Language by S.M. Zakir Hussain.