С, . put the verb in brackets into the present continuous, the present perfect and the present perfect continuous. 2. a.: what you (do), jane? b.: i (read) a.: but it (be) late. what you (read) all this time? 3. a.: where (be) john? b.: he (work) in the garden a.: he must be too tired. he (work) there all day 4. a.: who you (wait) for? b.: i (wait ) for jack. i (wait) for him since 11 o'clock 5. a.: they (stand) there for the last 20 minutes. b.: what they (talk) about all this time? 6. a.: what you (think) of? b.: i (think) of our life together. 7. a.: the girls (sing) in the sitting-room b.: they (sing) since i (walk) in