поставте правильную форму 1 i/read/tolstoy stories/in the park for two hours 2 i/ read /three stories 3 granny/ knit/ in the living room/ since morning 4 she/ knite/ a sweater/ for me 5 my sister/ skate /since childhood 6 she /take part/ in many competitions

1 I have been reading Tolstoy stories in the park for two hours.
2 I have read three stories.
3 Granny has been knitting in the living room since morning.
4 She has knitted a sweater for me.
5 My sister has been skating since childhood.
6 She has taken part in many competitions.