Отработка грамматического материала "употребление настоящих времен»: open the brackets to put the verbs into the present perfect or the present perfect continuous: i am reading an interesting book. i (read) this book for two hours. i already (read) 30 pages. the boys are at the stadium. they (play) football since morning, sam just (do) all his homework. now he can go out for a walk. they are writing an english composition at the moment. they (write) it all the morning. but they (not finish) it yet. polly likes riding a horse. she (ride) for three hours. she never (ride) so long. my father works in the office. he (work) there since he graduated from the university. present perfect or present perfect continuous: – how long you (learn) english, mary? i (learn) it for three years. – where is catherine? – she is in the kitchen. she (cook) a family christmas dinner since morning. she just (bake) a big pie. – are you playing on the computer? – yes, i (play) for two hours. i (win) three computer games. susan (help) her mother about the house all day long. they already (clean) the floor and (dust) the furniture. john and mary (go) shopping since 3 o’clock. they (buy) a lot of nice things.