============ • সাধারণত রোগে মারা যাওয়া অর্থে die of বসে। যেমন- The man died of Malaria.
• আবার মহামারীতে মারা গেলে died by বসে। যেমন - More than two million people have died by Covid-19 across the globe. - যেহেতু, the pleauge হচ্ছে মহামারী তাই died by বসবে। - Complete sentence: Many people died by the plague in the past, causing widespread fear.
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• Usage of the preposition after the word 'Die' die of (disease): He died of cholera. die from (effect): He died from snake bite/ over eating. die for (shake / cause): He died for his country. die in (accident): He died in an accident. die in (place / month / year): He died in 1950. / He died in London. / He died in a hospital in Dhaka.
die on (name of day /spot death): He died on the spot. / He died on Monday. die at (time): He died at 9–30 am. die between (time): He died between 9 a m to 9–30 am. die within (time): He died within five minutes.