1. Yesterday I __wasn’t able to walk__ (not walk) to school because I was sick. 2. If you work hard now, you (play) all next weekend. 3. I’m afraid I (not go) with you to the doctor this evening. 4. They (understand) their neighbours now they speak Arabic. 5. Bob (buy) that boat last week because he borrowed some money. 6. We (drive) to the sea tomorrow in our new car. 7. My boss (not pay) me now because he hasn’t got any money. 8. I’m sorry, I (not find) the book you wanted. It wasn’t in the shops. 9. I think I (speak) English quite well in a few months. 10. George has traveled a lot. He (speak) four languages.