 Can could be able to which is correct number one Nate Swim when he was three years old. Both are correct to I Finish my homework before bedtime was able to three Shelley Get tickets before they sold out was able to for you Do it can five Open the door, please Can you or could you to learn more about this topic see video at link or Check out our websites for more free English learning resources eslgold.com and free English study.com