Share Key word transformations: modal verbs
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1. She must be lying about what happened. TRUTH She can't __________________ about what happened.
be telling the truth
2. I expect Jason was so busy that he couldn't go to the match. MUST Jason __________________ to go to the match.
must have been too busy
4. I expect he was driving too fast when the accident happened. He __________________ fast when the accident happened.
must have been driving too
5. It's possible that she hasn't decided yet. MIGHT She __________________ her mind yet.
might not have made up
6. Why aren't you looking after the children: OUGHT You __________________ care of the children.
ought to be taking
7. Why weren't you doing your homework? SHOULD You __________________ your homework.
should have been doing
8. Algebra is still a mystery to me. ABLE I have __________________ understand algebra.
never been able to
9. It wasn't necessary for you to postpone the meeting after all. OFF You needn't __________________ the meeting after all.
have put off
10. We finally succeeded in starting our journey at midday. ABLE It wasn't until midday that we __________________ off on our journey.
were able to set
11. It looks as if I'll be late for work. ABLE I don't think I __________________ to work on time.
will be able to get
12. It was impossible not to laugh at the expression on their faces. HELP I __________________ at the expression on their faces.
couldn't help laughing/ but laugh
