Scroll down for exercise.
Fill in each blank using can, could or be able to in the correct form or tense. Do NOT use short forms. Use a capital letter at the beginning of a sentence.
Click on the "c" button to check your answer. *Asterisks* will appear around the word or phrase if it is right. If it isn't right, the incorrect part of your answer will be replaced by lines. The number of lines corresponds to the number of letters AND spaces between words.
In desperation you can click the 'show answers' button after the exercise.
This exercise was made using the software materials available on the Makers website at Swarthmore.
Links to other exercises and pdf files
multiple choice exercise - pdf file for download or printing
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