Ответ: 1. 1. Ouch! I've cut my finger.

4. She's  read this book three times.

5. My brother has been painting his bedroom but he hasn't finished .

6. We've been waiting for the bus for half an hour and it still hasn't come.

7. Oh on! I've broken the windows.

8. This week i've been staying with  my  grandparents but I'm going home tomorrow.

2.1-have been singing

2-have done

3-has had

4-has been looking

5-have done

6-has made

7-have been working

8-have been playing

Объяснение:

2.Had\has+v-3 форма гл. применяется,чтобы подчеркнуть завершённость действия,а had\has been+v-ing используется,чтобы подчеркнуть длительность действия,слова,которые помогают определить -all day,since morning к примеру.