1. I could not go to the theatre with theam last night, I should revise the grammar rules and the words for the test.
2. My friend lives a long way from his college and has to get up early.
3. All of us must be in time for classes.
4. When my friend has English he has to stay at the office after work. He needn't stay at the office on Tuesday, Thursday and Saturday and may get home early.
5.Would you like to work hard to do well in your English ?
6. Should we discuss this question now?» - «No,we shouldn't . We could do it tomorrow afternoon?»
7. I`m glad you could come
8. «Would you like to come and have dinner with us tomorrow?» - «I`d love to.»
9. « Please send them this article.» - «Oh,can I do it now?