Had I been a millionaire I (establish) a hospital.
established
would have established
would established
would have been established
সঠিক উত্তর:
would have established
ব্যাখ্যা ও নোট:
Third conditional অনুযায়ী Had + subject + V3 থাকলে, পরের অংশে would have + V3 বসে।