Exercise 1. Поставьте глагол в нужную форму.
1. They (to finish) their lesson at ten о 'clock? 2. He usually (to walk) home after work. 3. He (not to work) hard at his German. 4. Whose working day (last) six hours? 5. How long your working day (to last)? 6. This engineer usually (to return) home at seven. 7. You (to answer) many question at yourlessons? 8. Your sister often (to stay) at the factory after work? 9. I often (to receive) letters from my friends. 10. My friend often (to answer) many letters and telegrams. 11. Who often (to discuss) many questions with us? 12. How they (to know) English ? 13. They ( know ) English very well .

They are finished their lessons at ten o`clock.He is usually walk to home after work.He isn`t work to hard at his German.Whose working day the last six hours?How long your working to last day?This engineer usually return to home at seven.You answer to many question at yourlessons?Your sister often staying at the fastory after work?I often receive to letters from my friends.My friend often answer to many letters and telegrams.Who often discuss to many questions with us?How they know to English?They know English very well.