3. Fill in the blanks with the correct forms of the

3. Fill in the blanks with the correct forms of the verbs be or have:
1. Their son be a businessman. 2. He a disk. 3. These boys students. 4. Much time often spent by my relatives together. 5. My friends will introduced to my parents by me tomorrow. 6. The museum visited by them last Sunday. 7. The examinations seldom passed by him well.