Present perfect or present perfect continuous. 9. i just (remember) that i (not/pay) the rent yet. i'm surprised that the landlord (not/ring) me up remind me. - it's the first time you (be) late with the rent in 25 years. he probably thinks that you (pay) and he (lose) the cheque. 10. i (look) through my old photograph album. it's full of photographs of people whose names i completely (forget). i wonder what (happen) to them all. 11. i (do) housework all morning and i (not/finish) yet. - i (do) mine already. i always start at 6 a. m. 12. why you (make) such a horrible noise? - i (lose) my key and i (try) ro wake my sister by throwing stones at the window. - you (throw) stones at the wrong window. 13.that man (stand) at the busstop for the last half hour. shall i tell him that the last bus already (go)? 14. you look exhausted! - yes, i (play) tennis and i(not/play) for years, so i'm not used to it. 15. george (collect) matchboxed since he left school. now he (collect) so many that he doesn't know where to put then.

9. i (have just remembered) that i (have not paid) the rent yet. i'm surprised that the landlord (has't rung) me up remind me. - it's the first time you (have been) late with the rent in 25 years. he probably thinks that you (have paid) and he (has lost) the cheque. 10. i (have looked) through my old photograph album. it's full of photographs of people whose names i (have completely forgotten). i wonder what (has happened) to them all. 11. i (have been doing) housework all morning and i (have not finished) yet. - i (have done) mine already. i always start at 6 a. m. 12. why (have you been making) such a horrible noise? - i (have lost) my key and i (have been trying) ro wake my sister by throwing stones at the window. - you (have been throwing) stones at the wrong window. 13.that man (has been standing) at the busstop for the last half hour. shall i tell him that the last bus (has already gone)? 14. you look exhausted! - yes, i (have been playing) tennis and i (have not played) for years, so i'm not used to it. 15. george (has been collecting) matchboxed since he left school. now he (has collected) so many that he doesn't know where to put then.

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