Bài 11:

1. My family will be gone on a summer vacation at this time next week. (suggested correction: My family will be going on a summer vacation at this time next week.)
2. Jim will be not reading books at this time tomorrow. (suggested correction: Jim will not be reading books at this time tomorrow.)
3. When will be the shop opened again? (suggested correction: When will the shop be opened again?)
4. Preparations for the events will be making before 8 a.m. tomorrow. (suggested correction: Preparations for the events will be made before 8 a.m. tomorrow.)
5. I don't think machines will be replaced workers in the factories. (suggested correction: I don't think machines will replace workers in the factories.)
6. The streets will be widening soon after tomorrow. (suggested correction: The streets will be widened soon after tomorrow.)
7. All the old houses in my neighborhood will pull down next week. (suggested correction: All the old houses in my neighborhood will be pulled down next week.)
8. My computer will be assisted me with my study. (suggested correction: My computer will assist me with my study.)

Bài 12:

1. The government has passed laws to protect the forests, so forests will not be exploited for woods anymore.
2. If we don't save natural resources, they will be used up in the near future.
3. I think that renewable sources of energy will be widely exploited in the future.
4. Scientists believe that new sources of energy will soon be found.
5. Some windmills will be installed in my hometown. We will probably use wind power instead of hydroelectric power.
6. It is possible that hydroelectricity will be replaced by solar or wind energy in the next decade.
7. A conference on alternative energy will be held next month.
8. A TV program about new sources of energy will be broadcast live tomorrow morning.
9. Two thousand solar panels will be installed in this area next year.
10. Watershed forests will be put under protection of the government.