Exercise : Put the verbs in the brackets into correct tense or form: 1. Keep silent, please. Our teacher (explain) _________________ the lesson. 2. We (be) _________________ students for four years. 3. I will send him the message as soon as he (return) _________________ 4. Thanks for (invite) _________________ me to the birthday party. 5. Peter couldn’t read until he (be) _________________ eight years old. 6. What ____________ your father usually ____________ (do) in the evenings? 7. I can (see) _________________ the children. They (play) ______________ in the Timgiasuhanoi. 8. Lan says she loves collecting pens but she (not/continue) _________ this hobby from next year. 9. When I was a child, I used (dream) ________________ of being an astronaut. 10. I'm terribly nervous. I'm not used (speak) ________________ to a large audience. 11. It took us ages to get used (live) ________________ in an apartment house. 12. Lots of trains used (stop) ________________ here, but not many do now. 13. Didn't Nick use (work) ________________ on a building site? 14. She may be late if she (not hurry) ________________. 15. If you are kind to me, I (be) ________________good to you. 16. If he (give) ________________ up smoking, as his doctor orders, he will be soon well again. 17. You (not pass) ________________ your driving test unless you drive more carefully. 18. He’ll be ill if he (not stop) ________________ worrying so much.