ক. I would certainly go.
খ. I have certainly gone.
গ. I would certainly have gone. ✔
ঘ. I will certainly go
ব্যাখ্যা: If clause---এ Past Perfect ('had been') থাকায় Third Conditional অনুযায়ী Main clause---এ 'would have + V3' (would certainly have gone) বসবে।
বিজ্ঞাপন

সম্পর্কিত প্রশ্ন