 Do not say she can to cook Say instead she can cook Do not say they can singing Say instead they can sing Do not say he can swims Say instead he can swim Do not say I can play the guitar Say instead I can play the guitar Do not say we can to help Say instead we can help Do not say can you skiing? Say instead Can you ski 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 calm