Подчеркните причастия 1 и 2 .Обусловьте их форму и функцию в

Подчеркните причастия 1 и 2 .
Обусловьте их форму и функцию в предложении .
1. I saw a girl standing at the window. 2. The girl was standing at the window. 3. She answered my questions standing at the window. 4. This chair is broken. 5. A written letter is left on the table. 6. She has read all the books written by Dickens 7. I don't use a dictionary reading an English book. 8. We must be careful when crossing the street.