Learn about using can and could.
Practice 1: can, could and be able to
Choose one word to complete each sentence (note: contractions such as "couldn't" count as one word).
Practice 2: past, present or something else?
Choose the best expression to complete these sentences.
Practice 3: general ability or specific occasion?
Choose the best answer to complete these sentences. If both answers are possible, choose both! Read the grammar rules again here if you can't remember them!