Past Modal Forms
Meaning and Use
Past Participle
Error Correction
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100

I _____________ (could/ study) medicine. But I became a teacher instead.

I COULD HAVE STUDIED medicine. But I became a teacher instead.

100

Perfect modal used to express regrets or criticism after and event.

should have + past participle

ought to have + past participle

100

1) begin 2) meet 3) hurt

1) begun 2) met 3) hurt

100

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

HAVE

100

Poderíamos ter comprado a lâmpada de vendas, mas chegamos tarde à loja

We could have bought the sales lamp but we arrived late to the shop

200

Jeanette isn't here. She __________ (must/ go) home early.

Jeanette isn't here. She MUST HAVE GONE home early.

200

Perfect modal used to express possibility that something was true

may have/ might have + past participle

200

1) grow 2) lend 3) hide

1) grown 2) lent 3) hidden

200

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

GOTTEN

200

Eu deveria ter comprado o guarda-chuva, parece que vai começar a chover em breve.

I should have bought the umbrella, it looks like it is going to start raining any time soon.

300

Dean ______________ (should/ not/ drive) home after the party last night. He was stopped for drunk driving.

Dean SHOULD NOT / SHOULDN'T HAVE DRIVEN home after the party last night. He was stopped for drunk driving.

300

Perfect modal for expressing possibility in the past. It was not done in the end.

could have + past participle

300

1) lie 2) give 3) pay

1) lain 2) given 3) paid

300

Lily has a great suntan. She must go somewhere hot for her vacation.

HAVE GONE

300

Ela não deveria ter saído de casa tão tarde. Ela está atrasada para sua consulta no médico

She shouldn't have left home that late. She is late for her appointment at the doctor's

400

You ____________ (should/ go) on the cruise. You __________ (would/ love) it.

You SHOULD HAVE GONE on the cruise. You WOULD HAVE LOVED it.

400

Perfect modal used to express certainty, desire to do something that wasn't actually done. 

would have + past participle

400

1) throw 2) wear 3) wake

1) thrown 2) worn 3) woken
400

I think Gabriel drink all the milk. There's none left.

MUST HAVE DRUNK

400

Acabei de encontrar Juan no casal. Ele não poderia ter saído de férias ainda.

I just bumped into Juan at the casal. He couldn't have gone on holidays yet.

500

I ___________(could/ study) architecture. I ___________ (would/be) really good at it. I ___________ (might/ be) famous.

I COULD HAVE STUDIED architecture. I WOULD HAVE BEEN really good at it. I MIGHT HAVE BEEN famous.

500

Perfect modal used to express certainty or logical conclusions

must have + past participle

500

1) shine 2) ring 3) show

1) shone/shined 2) rung 3) shown

500

Jenna is late. She may have took the wrong road.

MAY/ MIGHT HAVE TAKEN

500

Alex pode ter se perdido na multidão na festa

Alex might have got lost at the crowd at the party