Answer: C) Could have been.
Explanation for this question is being written.
Answer: B) Could've bought.
Answer: C) Could have left.
Answer: B) Possibly
Answer: A) But she didn't.
Answer: B) Couldn't
Answer: A) Could have lost.
Answer: A) Could
Answer: A) Couldn't
Answer: C) Could have.
Answer: D) The nuance of 'could have' implies a missed opportunity or potential outcome based on a different past action.
Answer: A) TRUE
Answer: C) Can't have finished.
Answer: B) Could
Answer: D) Could talk.
Answer: D) Could have + past participle.
Answer: C) Could have come.
Answer: A) Could have been much worse.
Answer: D) Could not have finished.
Answer: B) Could have.
Answer: A) Could have missed.
Answer: D) I lifted the table by myself.
Answer: A) Couldn't have.
Answer: C) Couldn't have.
Answer: C) Would
Answer: C) Max can't have broken your vase because he wasn't here then.
Answer: C) A sudden drought could have caused the population to leave.
Answer: C) A past event that was possible but didn't happen.
Answer: A) Could have.
Answer: A) Could have gone.
Answer: A) Could he have forgotten.
Answer: C) Couldn't have thought.
Answer: D) Couldn't
Answer: D) Could have.
Answer: B) Would
Answer: D) Have bought.
Answer: A) Can't have read.
Answer: B) Could have seen.
Answer: D) Couldn't he?
Answer: D) Could have followed.
Answer: C) Could
Answer: D) Could
Answer: B) Can't have stolen.
Answer: D) Have
Answer: B) Couldn't have.
Answer: A) Would have completed.
Answer: A) Could've
Answer: B) Could not have been.