Answer: D) Have been.
Explanation for this question is being written.
Answer: C) Been working / finished.
Answer: A) Great, thanks. We've doubled sales in the last six months.
Answer: A) Have been making / have made.
Answer: A) Have been working.
Answer: A) Present Perfect Simple.
Answer: B) 've been playing / have you played.
Answer: C) Present Perfect / Present Perfect Continuous.
Answer: B) The duration of an action.
Answer: C) Have been seeing / have seen.
Answer: D) Present Continuous: She is waiting for the bus. Present Perfect Continuous: She has been waiting for the bus.
Answer: B) Has been working, has decided.
Answer: B) Have been doing / have done.
Answer: C) Have known.
Answer: C) Perfect tenses focus on completed actions; Continuous tenses focus on ongoing actions.
Answer: C) Has been barking.
Answer: B) Have been seeing / have seen.
Answer: A) First = completed, Second = ongoing.
Answer: D) I have been punished three times this week.
Answer: C) Either
Answer: C) 's sent / has he been looking.
Answer: A) Has been teaching/ has only played.
Answer: A) Have run.
Answer: B) Have been waiting/ haven't received.
Answer: C) Perfect tense: 'I have finished my homework.' Continuous tense: 'I am finishing my homework.'.
Answer: A) Have done.
Answer: B) Have only been living/has lived.
Answer: A) The first sentence is correct.
Answer: C) Have been working / worked.
Answer: A) Have sent / haven't heard.
Answer: A) Had been being searched for / were found.
Answer: A) She has worked here since 2010. / She has been working here since 2010.
Answer: B) I've been painting the kitchen.
Answer: A) Finished actions with words like 'already' or 'yet'.
Answer: C) Both variants are possible.
Answer: B) Have known.
Answer: A) Have known.
Answer: A) Have been readinghave read.
Answer: A) Have been travellinghave visited.
Answer: D) Has worked / has cut.
Answer: A) Have paid off.
Answer: A) We've walked the Camino de Santiago.
Answer: A) Adam has read 5 books this year.
Answer: B) Have been trying / have lost.
Answer: C) Both options are correct.
Answer: B) I've lost.
Answer: B) False
Answer: B) I have been reading for two hours vs. I have read the book.
Answer: A) Yes
Answer: A) Have been reading, have not finished.
Answer: A) Have been sewing / have sewn.
Answer: C) Has been writing/ hasn't finished.
Answer: A) I've finished my homework.
Answer: B) The present perfect simple emphasizes the result of an action, while the present perfect continuous emphasizes the duration or continuous nature of an action.
Answer: C) Has been doing / hasn't finished.
Answer: C) Had been cleaning.
Answer: A) Haven't seen.