can, could, to be able to links to exercises
Post on 30-Jan-2016
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exercises
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CAN, COULD & TO BE ABLE TO
Theory
http://www.welcometoenglishandfun.com/grammar/pdf/CAN_COULD_AND.pdf
http://elblogdelingles.blogspot.com/2006/05/lesson-17-can-could-and-be-able-to.html
Practice
http://autoenglish.en.wanadoo.es/gr.can.i.htm
http://www.ompersonal.com.ar/omexercise/verbosmodales/unit15.htm
http://esl.about.com/library/quiz/blgrquiz_canbeable.htm
http://www.englishclub.com/grammar/verbs-modals_can_quiz.htm
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