[ Past Modals ]
To give the promotion to Harold was silly. He __________ (know) much about this company after only a year working here. No wonder our sales are down!
A. couldn’t have know
B. couldn’t have known
C. could have known
D. could had known

Random Topics:
Present Perfect or Past Simple TensePast Simple TenseAuxiliary Verbs & Question TagsNoun ClausesQuestion TagModals Of SpeculationDependent PrepositionsConjunction: Because and SoAdverbial Clauses of Manner and ResultIndefinite and Reflexive PronounsOther quiz:
Tenses › View“My uncle’s office stays open until 12.00 on weekends.”
The sentence means…..
A. My uncle works at 12.00 on weekends
B. My uncle’s office opens at 12.00 on weekend
C. My uncle’s doesn’t have to work on weekends
D. My uncle has to work on weekends
E. My uncle’s office closes at 12.00 on weekends
Tenses › View
Turn off the gas. Don’t you see that the kettle ________?
A. boil
B. boils
C. is boiling
D. boiled