Froggy Jumps English Grammar Quiz: Can, Be Able To vs Could, Was/Were Able ToVersion en ligne Test your knowledge of modal verbs with this quiz on using 'can, be able to' and 'could, was/were able to' correctly in English sentences. par Mariana Uribe Huertas 1 Which sentence is correct? I _______ swim when I was five years old. a was able to b could c can 2 What is the past form of 'can'? a was able to b be able to c could 3 Which modal verb is used to talk about general ability in the present? a can b be able to c could 4 Which sentence is correct? She _______ speak three languages fluently. a could b be able to c can 5 What is the negative form of 'was able to'? a could not b was not able to c can not 6 Which modal verb is used to talk about past ability in specific situations? a could b can c be able to 7 Which sentence is correct? They _______ finish the project on time. a can b were able to c could 8 What is the past form of 'be able to'? a could b was/were able to c can 9 Which modal verb is used to express possibility or permission? a can b could c be able to 10 Which sentence is correct? He _______ play the piano when he was a child. a be able to b could c can