There is an explanation followed by a fill in exercise and the key. I created this worksheet for my intermediate students, but it can be used by upper-intermediate and advanced students. I really hope you like it 

can-could-be-able-to-ability-possibility-grammar-guides-tests_76112.docx

CAN, COULD & BE ABLE TO Ability & Possibility

can-could-be-able-to-ability-possibility

Let's do English ESL grammar guide. There is an explanation followed by a fill in exercise and the key. I created this worksheet for my intermediate students, b…