complete the sentences with the correct forms of can, could or to be able to and the verbs in brackets.
1. I ______ (not/to find) William's house. Let's phone him.
2. I was lucky that I ____________ (to find) a good course in English language last summer.
3. If you are a tour guide, you must _________ (to answer) questions about your school history.
4. In the future people __________ (to travel) into space.
5. My mum insists that my sister ____________ (to read) when he was only four years old but I don't believe her!
6. If I __________ (to speak) English, I would have studied in Great Britain or the USA.
7. ___________ (you/to prepare) your school report yet?
8.__________ (to drive) means that you don't have to depend on other people for transport