This quiz works best with JavaScript enabled. Home > English Grammar > Grammar > Parts Of Speech > Verbs > Auxiliary Verbs > Modal Verbs > Modal Perfect Tense – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Modal Perfect Tense Quiz 9 (1 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The exam ..... have been very difficult! Only one person passed! A) Would. B) Must. C) Can't. D) Couldn't. Show Answer Correct Answer: B) Must. ← PreviousRelated QuizzesAuxiliary Verbs QuizzesVerbs QuizzesModal Perfect Tense Quiz 1Modal Perfect Tense Quiz 2Modal Perfect Tense Quiz 3Modal Perfect Tense Quiz 4Modal Perfect Tense Quiz 5Modal Perfect Tense Quiz 6Modal Perfect Tense Quiz 7Modal Perfect Tense Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books