Choose the correct form of the verbs: can, could and (be) able to. (4points) 1. I really enjoyed staying with my aunt when I was a child because she always told me I could/was able to watch TV after 10 o'clock.
2. I couldn't have found/haven't been able to find my filo fax for days now.
3. As soon as she arrived I could/was able to see from her face that she was depressed.
4. Why did I have to listen to you? I could have been/can be at home now instead of here.
He helps his mum on Sundays. - Present Simple
He helped his mum last Sunday. - Past Simple
He has already helped his mum - Present Perfect
He will help his mum next Sunday - Future Simple