Level: advanced
Category: grammar
Topic: modal verbs

Past Modals (1)

Choose the correct modal verb to complete the sentence

Elige el verbo modal correcto para completar la frase

1. John is never late, so he ______ had car trouble.
   • can't have
   • must have
   • should have
2. Mary said she lived in a white house and since this was the only white house on the street, it ________ hers.
   • could have
   • must have
   • should have
3. That class was mandatory, so you ___________ missed it.
   • mustn't have
   • might have
   • shouldn't have
4. If the general had had more reserves, he ________ won the battle
   • could have
   • must have
   • should have
5. I left the last piece of cake for you. Someone ________ eaten it.
   • may have
   • must have
   • should have
6. John earns a lot of money at his new job, but he doesn't like it. He _________ stayed at his old one.
   • may have
   • must have
   • should have
7. After deciding not to come, they ____________ phoned to tell us but they didn't.
   • could have
   • may have
   • must have
8. By the time they reached the summit, they were freezing. They ________ brought warmer clothing.
   • may have
   • should have
   • must have
9. Most scientists point out that a meteor impact _______ caused the extinction of the dinosaurs.
   • should have
   • mustn't have
   • might have
10. The astronauts were in quarantine after returning to Earth to guard against unknown viruses or bacteria that they ________ brought back with them.
    • must have
    • might have
    • should have

Created:  2004-08-24
Updated:  2005-05-27
2007-02-27

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