Задание :Find and correct the mistakes in the sentences given below

1. Does Peter goes to gym every morning
   Does Peter go to school every morning?
2. I'll take my final exams at the end of next year.
  I'll take my final exams at the end of next year.
  3. We're been going to work gard to pass the test.
     We are going to work hard to pass the test.
4. School teach us to manage our time and become the highest achievers in all walks of life.
School teaches  us to manage our time and become the highest achievers in all walks of life.
5. All lessons are been usually attended by the whole class.
 All lessons are usually attended by the whole class.
6. Scientists have discovered a way to prevent this serious disease.
   Scientists have discovered a way to prevent this serious disease.
7. The new TV quiz are growing in popularity.
     The new TV quiz is growing in popularity.
8. We've deen studying this subject for years.
    We have been  studying this subject for years