Element FORM: PAST
SubCat could
Lexical Range N/A
Level B2
Cando Can used 'could' have + '-ed'.
Corrected Learner Example In fact it could have been dangerous but it became funny and also an embarrassing moment in my life! (Switzerland; B2 VANTAGE; 1993; French; Pass)

What could have happened? (Greece; B2 VANTAGE; 2006; Greek; Pass)

I must confess that our teacher couldn't have picked anyone better to do it. (Portugal; B2 VANTAGE; 1993; Portuguese; Pass)
Uncorrected Learner Example
Comments N/A

Cambridge University Press