1. I have win two prizes when I was seven. - WON вместо have win
2. My brother and I have played football since three hours. - FOR вместо since
3. I've learnt to play the guitar this year. - верно
4. I have drew a beautiful picture for my grandma today. - DRAWN вместо drew
5. We haven't finished our project already - YET вместо already
6. My father has taught me to ride a bike.- верное
7. I have played the violin for three years.- верно
8. Have you been to Scotland already?- YET вместо already
9. My sister have spent two weeks in Africa this year.- HAS