Fill in the blanks with appropriate forms of be, have and do as auxiliaries.
1. I will go to America after I ………………… finished my work here.
Correct!
Wrong!
2. She ……………………… playing the piano when I entered the room.
Correct!
Wrong!
3. The boy …………………… become unconscious before the doctor came.
Correct!
Wrong!
4. ........................................ you ever been to Tokyo?
Correct!
Wrong!
5. This is what he ............................... not seem to understand.
Correct!
Wrong!
6. They ................................. engaged in a heated argument.
Correct!
Wrong!
7. You ................................... being considered for the job.
Correct!
Wrong!
8. I ................................. being shadowed.
Correct!
Wrong!
9. The dinner .................................. being cooked.
Correct!
Wrong!
10. My car ........................................ in the garage.
Correct!
Wrong!
Answers
1. I will go to America after I have finished my work here.
2. She was playing the piano when I entered the room.
3. The boy had become unconscious before the doctor came.
4. Have you ever been to Tokyo?
5. This is what he does not seem to understand.
6. They were engaged in a heated argument.
7. You are being considered for the job.
8. I was / am being shadowed.
9. The dinner is being cooked.
10. My car is / was in the garage.
