или Present Perfect Continuous
1. My mother...(cook) dinner. It smells delicious.
2. My mother..(cook) dinner for two hours already.
3. She ...(eat) three apples today.
4. I ...(work) for a long time.
5. He ...(look) through the window since morning.
6.I ...(call) my mother for all day.
7.I ...(paint) two rooms since lunchtime.
8. I am tired because I ...(work) hard all day.
