ক. If he painted that picture.
খ. If he paints that picture.
গ. If he had painted that picture. ✔
ঘ. If he would have painted that picture.
ব্যাখ্যা: Main clause---এ 'would have signed' থাকায় Third Conditional নিয়ম অনুযায়ী If clause---এ Past Perfect Tense (If he had painted that picture) হবে।
বিজ্ঞাপন

সম্পর্কিত প্রশ্ন