Past Modals for Deduction
1. Gloria has won every game she's played today. She ………………. Practiced a lot. *
2. I don't have anything to wear today. I ………………….. done the laundry before. *
3. Jack lost his wallet on the way to work. He………………… lost it on the bus. *
4. You did very well in the exam. You…………………. studied a lot. *
5. The Smiths………….. built their house anywhere. Why did they choose here? *
6. It's hot in here today. I………………… worn a heavy sweater today. *
7. You ……………………..fed your dog. He has been hungry all day. *
8. Lucy shouldn't have stood on the broken chair. She………………… fallen. *
9. I…………………. bought more milk before. I am almost out. *
10. I didn't do very well in the test I ………………. spent more time studying. *
11) John ……………… gone on holiday. I saw him this morning downtown. *
12. Nobody answered the phone at the clinic. It ……………………. closed early. *
13. I ………………………… revised more for my exams. I think I'll fail!

Question

Answer

I'll give you a hint: notice that all the verbs are in the third form (the participle form).  That means you need to add "has" or "have" to the modal.