Complete the sentences in section II with the correct verb forms.

1. It was very cold yesterday. 2. I have not seen him since 2006. 3. The new school began working last year. 4. He came a moment ago. 5. The train has not yet come from the south. 6. When did you open the window? - I opened it ten minutes ago. 7. I don't think you have ever seen Niagara Falls. 8. Oh, how dark it is! A large black cloud has covered the sky. 9. Look at my new dress! I made it myself. 10. Have you read all the books on this shelf?