Fill in the blanks with appropriate primary auxiliaries.
1. She …………………………. returned yet.
Correct!
Wrong!
The present perfect is more common with already and yet. Also, use has/have before the past participle form of the verb.
2. I ………………………… know what I should do now.
Correct!
Wrong!
3. They ……………………………. recognize him.
Correct!
Wrong!
Use a form of do before the infinitive without to.
4. ………………………….. you received the invite?
Correct!
Wrong!
Use a form of have before the past participle form of the verb.
5. …………………………….. you see him yesterday?
Correct!
Wrong!
Use a form of do before the infinitive.
6. Where …………………………. she work now?
Correct!
Wrong!
Use a form of do before the infinitive.
7. …………………………. this your bag?
Correct!
Wrong!
8. He ………………………….. not understand the consequences of his action.
Correct!
Wrong!
9. ………………………….. you call him yesterday?
Correct!
Wrong!
Use a form of do before the infinitive.
10. He ………………………… returned the camera he borrowed from me.
Correct!
Wrong!
11. What …………………………. you do to provoke him?
Correct!
Wrong!
12. How ………………………… you learn about his accident?
Correct!
Wrong!
Answers
- She hasn’t returned yet.
- I don’t know what I should do now.
- They didn’t recognize him.
- Have you received the invite?
- Did you see him yesterday?
- Where does she work now?
- Is this your bag?
- He does not understand the consequences of his action.
- Did you call him yesterday?
- He hasn’t returned the camera he borrowed from me.
- What did you do to provoke him?
- How did you learn about his accident?