I can't swim because i afraid of water
I can't cook when my mom is at home
I can't play footbal because i don't know the rules.
I can't learn japanese because it is really hard .
I can't wake up in the morning .
I can do my homework, it is easy.
I can make a sandwich.
I can stay in my bad all the time.
I can write this phrase.
I can make a cake if i have the ingredients.