Should / Shouldn't
Must
May / Might
Could / Can't
Grammar Review
100

'I have a really intense stomachache, I ______ (not eat) too much'

'I SHOULDN'T HAVE eaten too much'

100

'Kimberly is not speaking to Tom. He ______ (do) something terrible to her'

'He MUST HAVE done something terrible to her'

100

- 'Sharon hasn't worn the sweater I gave her. She _____ (not like) it'

- 'Nonsene. She's probably waiting for an special occasion'

(The prediction is SOMEWHAT possible)

'She MAY NOT have liked it'

100

'Tiffany complains a lot about studying Law as a major. She ______ (choose) Medicine, but she didn't'

'She COULD HAVE chosen'

100

In which cases or scenarios do we use Modals in the Past?

Depending of the modal, we can express a strong deduction (must have or can't have), a criticism of the past (should have), a probability, high or low (may have or might have) or as an ability to do something (could have)

200

'I can't believe I didn't pass the exam. It was so easy. I ______ (study) more'

'I SHOULD HAVE studied more'

200

- 'Look, John is driving a new car'

- 'But he didn't have any money. Actually he was broke'

- 'He ______ (win) the lottery or something'

'He MUST HAVE won the lottery or something'

200

- 'I tried talking to Jim but he didn't answer. He was kind of absent minded'

- 'He ______ (have) a bad day. You can ask him later'

(The prediction is A REMOTE possibility)

'He MIGHT HAVE had a bad day'

200

- 'Rob spoke really badly about Katherine in the party'

-'That ______ (be) Rob. He's actually Katherine's best friend'

'That CAN'T HAVE been'

200

What is the "interpretation" of the form "may have" in Spanish?

It is something like: "tal vez + verb in past"

Example: "Tom may have bought the tickets"

(Tom tal vez compró los boletos)

300

'Tiffany is furious with me. We had a big fight because I forgot her birthday. I _____ (write) it somewhere'

'I SHOULD HAVE written it somewhere'

300

- 'Have you seen John? He's walking in crutches'

- 'Yeah, I saw him. He ______ (have) an accident'

'He MUST HAVE had an accident'

300

- 'I'm upset. I didn't find any tickets for the concert'

- 'Did you ask Tom? He _____ (get) those.'

(The prediction is SOMEWHAT possible)

'He MAY HAVE got those'

300

- 'Everyone thought John was going to be appointed as new General Manager, but the company opted for Tina'

- 'Yeah, I heard. That came as a total suprise. No one ______ (anticipate) it'

'No one COULD HAVE anticipated it'

300

What is the "interpretation" of the form "might have" in Spanish?

It is something like: "quizá + verb in past"

Example: "Tina might have lost the bus"

(Tina quizá perdió el autobús)

400

'I need some money to buy some books but I used all my money in this video game. I ______ (not spend) all the money'

'I SHOULDN'T HAVE spent all the money'

400

- 'Poor Harry. I saw him packing all his things. His office is empty'

- 'He ______ (be) fired'

'He MUST HAVE been fired'

400

- 'Shawn is not in class and he's always the first one to arrive'

- 'He _____ (not hear) the alarm. Or he _____ (miss) the bus'

(The first prediction is A REMOTE possibility. The second one is SOMEWHAT possible)

'He MIGHT NOT HAVE heard the alarm. Or he MAY HAVE missed the bus'

400

- 'Didn't Grace say she was going to be at home? Because I just saw here in the concert at a distance'

- 'Well, that ______ (be) her. I just videocalled her and she is watching a movie at home'

'Well, that CAN'T HAVE been her'

400

What is the "interpretation" of the form "should have" in Spanish?

It is something like: "debió" as to criticise the past.

Example: "Henry should have studied more"

(Henry debió estudiar más)

500

'Oh no, the traffic is really heavy and I have an important meeting. I _____ (not sleep) those extra 5 minutes'

'I SHOULDN'T HAVE slept those extra 5 minutes'

500

- 'Did you see the ring Thomas gave to Anna?'

- 'It was magnificent. It _____ (cost) a fortune'

'It MUST HAVE cost a fortune'

500

- 'I said hello to Kimberly and she didn't answer back. Can you believe it?'

- 'That's strange. She's really polite. She _____ (not see) you'

(The prediction is SOMEWHAT possible)

'She MAY NOT HAVE seen you'

500

- 'Did you hear the news? The teacher said nobody had to take the midterm exam. He said everybody passed!'

- 'He ______ (say) that. He always applies the midterm test'


'He CAN'T HAVE said that'

500

What is the "interpretation" of the form "must have" in Spanish?

It is something like: "debió haber".

Example: "Kimberly must have lost my number"

(Kimberly debió haber perdido mi número)

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