CAN.  Exercises

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www.agendaweb.org/verbs/modals-can-could-exercises.html

www.agendaweb.org/verbs/be_can_do_have-exercises.html

www.agendaweb.org/verbs/modals-exercises.html

www.agendaweb.org/verbs/modals-can-could-worksheets-lessons

www.agendaweb.org/exercises/verbs/am-is-are-has-have-can

www.agendaweb.org/verbs/be-can-do-have-worksheets-lessons