GRAMMAR EXERCISES I. Study Substitution Tables No. 1—5 and compose as many sentences as you can.
II. Change each of these sentences using the Future Continuous:
1. At 10 o’clock he was still working at the laboratory. 2. My friend was preparing for her written test when I came. 3. Were you waiting for me at the station at 8 o’clock in the morning?
4. Was his friend giving a lesson at 5 o’clock? 5. My nephew was repairing our vacuum-cleaner at 7. 6. My uncle was listening to the news when I went to bed. 7. My aunt was knitting the whole morning.
