ex 6.
1.He watches Superman whenever he can. He is watching it since he was nine.
2. The only thing she reads seems to be Tintin. She is reading it sincer four years.
3. She bus a comic every week. She is buying comics ever since she could read.
4. He is drawing comic figures ever since he became interested in Asterix.
5. Batman is becoming even more populare since it was made for a feature film.
6. People are reading coming books for more than a century.
ex7.
1) have started.
2) were studying.
3) have performed
4) started
5) were
6) have decided
7) have been.
