[ Perfect Modals ]
Which perfect modal suggests a possible action that did not happen?
A. Must have
B. Could have
C. Ought to have
D. Should have
Select your answer:

Random Topics:
Simple Present and Present Continuous TenseNoun and PronounPresent and Past Simple PassivePast Simple and ContinuousVocabulary and PhrasesTenses and ModalsHow much or How many?Grammar: is/are/was/wereModal and Auxiliary VerbsConnectives (because, due to, owing to, because of)Other quiz:
Grammar for TOEFL › ViewWere _____ millions of dollars each year replenishing eroding beaches, the coastline would be changing even more rapidly.
A. the U.S. Army Corps of Engineers not spending
B. the U.S. Army Corps of Engineers not spend
C. the U.S. Army Corps of Engineers does not spend
D. not spending the U.S. Army Corps of Engineers
Modal Probability › View
Which sentence correctly uses a modal to express a present impossibility?
A. She must be at the office.
B. He might be at home.
C. They can’t be here already.
D. You should call him.
