a) I’ve been studying English all my life. b) I’ve studied English all my life. - same, a) We expect to have been invited to the conference by the end of the week. b) We think we will have been invited to the conference by the end of the week. - same, a) I’ve had this car for over 10 years. b) I’d had the car for over 10 years. - different, a) He seems to have written that letter. b) It seems that he’s written that letter. - same, a) I’ve been revising the strategy since March. b) I’ve revised all our company's strategy today. - different, a) I hope to have launched my own business by the time I’m 35. b) I hope I’ll have launched my own business by the time I’m 35. - same, a) I’ve been scaling back my plans. b) I’ve scaled back my plans so far. - different, a) I’ll have been working for the same company for 20 years by 2025. b) I’ll have worked for the same company for 20 years by 2025. - same, a) My boss admitted having stolen the company’s secrets. b) My boss admitted that he had been stealing the company’s secrets. - different, a) We’ve seen each other once before. b) We’ve been seeing each other for a while. - different,

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