. I have been waiting for you since seven o’clock. Why are you so late? (wait)
2. He has been using a mobile phone for 2 years. (use)
3. My eyes are tired. I have been reading since afternoon. (read)
. I have been waiting for you since seven o’clock. Why are you so late? (wait)
2. He has been using a mobile phone for 2 years. (use)
3. My eyes are tired. I have been reading since afternoon. (read)