[ Modal Verbs ]
I’m not sure if I passed the exam. I … the exam.
A. couldn’t pass
B. couldn’t have passed
C. might not pass
D. might not have passed
Select your answer:

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Past simple vs Present perfectPresent & Past TensesPresent TensesSimple Past Tense (was/were)Simple Past Tense and Present Continuous TenseTenses and QuestionsGrammar: AgreementMay, MightMain Idea and Sentence StructurePresent Perfect Tense and Simple Past TenseOther quiz:
Grammar › Viewafter three month’s practice, Peter can run ___
A. fast and fast
B. faster and faster
C. the more and more fast
D. more and more fast
Perfect Tense › View
Choose the correct form of ‘have’ or ‘has’ in the perfect tense: He ____ finished his project.
A. had
B. have
C. having
D. has
