Exercise 1: Fill in the blanks with the correct form of the verb in brackets to form the present perfect progressive tense.
Exercise 2: Fill in the blanks with the correct form of the verb in brackets to form the present perfect progressive tense.
11. *Jestem* (be) teraz pisuje ten list od rana. (I have been writing this letter since morning.)
12. *Byliśmy* (be) teraz czeka na autobus przez pół godziny. (We have been waiting for the bus for half an hour.)
13. *Był* (be) teraz sprząta mieszkanie cały dzień. (He has been cleaning the apartment all day.)
14. *Jesteś* (be) teraz śpi od godziny. (You have been sleeping for an hour.)
15. *Była* (be) teraz pracuje nad tym projektem od dwóch tygodni. (She has been working on this project for two weeks.)