COULD HAVE

WHAT IS IT FOR?

It is used hypothetically to talk about

GRAMMAR

+ COULD HAVE + VERB PAST PARTICIPLE

AFFIRMATIVE

+ COULD HAVE + PAST PARTICIPLE

NEGATIVE

+ COULDN'T HAVE + PAST PARTICIPLE

OR THAT HAD THE ABILITY TO DO SOMETHING IN THE PAST, BUT DID NOT DO

SOMETHING THAT WAS POSSIBLE IN THE PAST

EXAMPLES

1.- He could have bought a new car but he didn't save enough.

2.- She could have passed to the exam but she didn’t studied enough

3.- We could have had a dog but we don't behave well

EXAMPLES

1.- I couldn't have arrived to the party even if I had drove very fast

2.- She couldn't have traveled by plane She is afraid of heights

3.- We couldn't have won even We training hard

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