Answer Key

Test

Choose the correct form of the verb...
  1. Robert was the only person who  [was allowed to change] the study report.
  2. The only way you  [were able to] win yesterday was by making animal noises during my serve.
  3.  [might have read] the book when I was a university student.
  4. We  [didn't need] to speak German; they understood English quite well.
  5. No way! You used to date Cindy Crawford? You  [can't] be serious?!?
  6. That's funny, after seven cups of coffee, I  [shouldn't] have fallen asleep, but I guess I did anyway.
  7. I was so hungry, I  [could have eaten] a horse.
  8. That's impossible! John  [can't have failed] the test! He is the smartest student in our class!
  9. Jim is not usually late! Something  [must have happened] to him.
  10. You  [mustn't] do that, Timmy! It's so rude!