EXERCISES on perfect modals
Exercise 1: Must have - Might have - Should have - Can`t have
1. John
gone on holiday. I saw him this morning downtown.
2. Nobody answered the phone at the clinic. It
closed early.
3. I
revised more for my exams. I think I`ll fail!
4. Sarah looks really pleased with herself. She
passed her driving test this morning.
5. I didn`t know you were going to Phil`s party yesterday. You
told me!
6. I can`t believe Jim hasn`t arrived yet. He
caught the wrong train.
7. I can`t believe Jim hasn`t arrived yet. He
caught the correct train.
8. Don`t lie to me that you were ill yesterday. You
been ill - Don said you were at the ice hockey match last night.
9. I don`t know where they went on holiday but they bought Euros before they left so they
gone to France or Germany.
10. His number was busy all night - he
been on the phone continuously for hours.
11. It
been Mickey I saw at the party. He didn`t recognize me at all.

Exercise 2:Directions: Complete each question or sentence with should have or could have, and a main verb. (10 points)
For example: You ________ ________ __________ (be) more helpful to that elderly woman. (advice)
  * should have = past advice, capability, or responsibility   /   * could have = past possibility
1. I _________ _________ _________ (help) you last weekend if you had asked. (possibility)
2. He _________ ________ ___________ (talk) to the doctor about his stomach pains. (advice)
3. _____________ they _________ ____________(do) all that work already? (possibility)
4. Maria __________ ___________ ____________ (eat) that whole pizza by herself--she was so hungry! (possibility)
5. My students ___________ __________ __________ (finish) their assignment by now. (capability)
6. ____________n`t that company __________ ____________ (pay) their employees on time? (responsibility)
7. Why ___________n`t you __________ ___________ (meet) my earlier? Now we don`t have any time. (possibility)
8. The disaster ____________ never ___________ ________________(happen) . It was preventable. (possibility)
9. President Bush __________ __________ ___________(tell) the American people they needed to make more personal sacrifices once the Iraq War began. (responsibility)
10. You __________ __________ __________(be) able to complete the test within 60 minutes. (capability -- in this sentence, "complete" is the main verb. That means there are seven words in the verb phrase!) 
Exercise 3: Directions: Complete each sentence or question with would have or should have and a main verb. (10 points)
     * would have = past tense of will    /    * should have = past advice, capability, or responsibility
1. If I had known you were coming, I _________ ___________ ____________ (make) extra cookies.
2. We __________ _________ __________ (fix) the leak in the roof before the storm made it worse.
3. You _________n`t _________ __________ (go) into that strange house if it was empty.
4. It __________ _________ __________ (take) longer to get dinner made without your help.
5. Before going to the beach, they _________ __________ __________(check) the weather because it rained.
6. The doctor told her she __________ __________ ___________ (be) on a diet the last few years.
7. The party _________ __________ ____________ (be) more fun if you were there.
8. My friend __________ _________ _________ (make) a lot of money if he had sold his stock in the company earlier.
9. I __________ __________ ____________ (do) anything just to spend a few more hours with you.
10. They really ___________n`t ___________ gotten _____________ (marry) so fast.
Exercise 4. Rewrite the following sentences without changing their meaning. Use the modal perfect.
1. Maybe he learned Spanish as a child.
He

2. It was a mistake to ask him to do it.
You
.
3. I am sure Peter didn’t enjoy his holiday.
Peter
.
4. It’s possible that the teacher saw me.
The teacher
.
5. It was unnecessary for you to study this unit.
You
.
6. It was a bad idea to park outside the train station.
We 
.
7. I think you were wrong to buy the new car.
You
.
8. It’s possible that I left the English book at home because it is not here.
I
.
9. Maybe she didn’t mean what she said about you.
She
.
10. I’m sure that your classmate took your jacket by mistake.
Your classmate
.
Exercise 4. Modal or Modal Perfect? Rewrite the following sentences