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Past Modal Form
Meaning and Use
Miscellaneous
Past Participles
Error Correction
100
A: I ______ (could/go) to the movies with you, but I decided to study instead. B: You didn't miss anything. You ________ (might/not/like) it anyway.
A: I COULD HAVE GONE to the movies with you, but I decided to study instead. B: You didn't miss anything. You MIGHT NOT HAVE LIKED it anyway.
100
List the modal verbs used to guess about a past situation when you don't have much proof. (3)
May (not) have, might (not) have, could have.
100
Students ________ leave the classroom before the bell rings a) must b) should c) shouldn't d) can
C) Shouldn't
100
1) Cut, 2) Put, and 3) Hurt
Answer: Cut, Put, Hurt
100
They mayn't have called yet.
They may not have called yet.
200
A: I __________ (should/not/drive) to work this morning. There was so much traffic. B: You ________ (should/take) the bus. It was empty.
A: I SHOULDN'T HAVE DRIVEN to work this morning. There was so much traffic. B: You SHOULD HAVE TAKEN the bus. It was empty.
200

Change the next sentence by using MUST HAVE: It is very likely that Walt Disney won more Oscars than any other entertainment.

Walt Disney MUST HAVE WON more Oscars than any other entertainment.

200

A: Do you know who stole your car? B: No, we are not sure but it ______ our neighbour's son.

Might have been 

200
1) Bring, 2) Buy, and 3) Catch
Answer: Brought, Bought, Caught
200
When he could have called?
When could he have called?
300
A: She ______ (could/not/leave) yet. We're not that late. B: But she ______ (might/forget) to wait for us.
A: She COULDN'T HAVE LEFT yet. We're not that late. B: But she MIGHT HAVE FORGOTTEN to wait for us.
300

Change the next sentence by using MUST HAVE: Picasso most probably produced more than 5,000 paintings in his lifetime.

Picasso MUST HAVE PRODUCED more than 5,000 paintings in his lifetime.

300

Change the next sentence by using MAY HAVE BEEN: It is possible that Albert Einstain was born in Australia.

Albert Einstain MAY HAVE BEEN BORN in Australia.

300
1) Sit, 2) Stand, and 3) Fly
Answer: Sat, Stood, Flown
300

Michael is running late. He might have got stuck in traffic.

Gotten

400
A: You ______ (must/have) a great time last night. I heard you come in at 2:00 a.m. B: It was great. you ______ (should/stop by) after you left the library. You ______ (could/hear) the new band.
A: You MUST HAVE HAD a great time last night. I heard you come in at 2:00 a.m. B: It was great. you SHOULD HAVE STOPPED BY after you left the library. You COULD HAVE HEARD the new band.
400

Change the next sentence by using COULDN'T HAVE: US astronauts almost certainly didn't see the Great Wall of China from the moon.

US astronauts COULDN'T HAVE SEEN the Great Wall of China from the moon.

400

Perfect modal used to express regrets or judgement.

Should have 

400
1) Drink, 2) Dig, 3) Forget, and 3) Hide
Answer: Drunk, Dug, Forgotten, Hidden
400
She must have a cold yesterday.
She must have had a cold yesterday.
500
A: I lost my keys last night. I ______ (might/leave) them at your house. B: No, you ______ (could/not). You drove home with them. A: That's right. Then I ______ (must/drop) them after I parked the car. B: You ______ (might/lock) them in your car. Have you checked?
A: I lost my keys last night. I MIGHT HAVE LEFT them at your house. B: No, you COULDN'T HAVE. You drove home with them. A: That's right. Then I MUST HAVE DROPPED them after I parked the car. B: You MIGHT HAVE LOCKED them in your car. Have you checked?
500

Change the next sentence by using COULDN'T HAVE: It is very likely that Mozart wasn't very well known when he died.

Mozart COULDN'T HAVE BEEN very well KNOWN when he died.

500

Erica must has gone out. I can't find her anywhere.

Must have 

500
1) Light, 2) Shine, 3) Get, and 4) Become
Answer: Lit, Shone, Gotten, Become
500
I should have asked him. I'm sorry that I did.
I shouldn't have asked him. I'm sorry that I did. I should have asked him. I'm sorry that I didn't.