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CAN, COULD, BE ABLE
TO. |
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EXERCISE A |
Complete the blanks using CAN for present, COULD for
past and WILL BE ABLE TO for future. Pay attention to the "negative verb"
warnings in red. |
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EXERCISE B |
Complete the blanks using COULD or WAS ABLE TO. In
some sentences only WAS/WERE ABLE is possible. |
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om personal english
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índice de prácticas
om exercise |
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