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? (to drive) means that you don't have to depend on other people for transport