Read and write questions.use can or could. 47 1.you can't do you homework.you want your brother to help you with it.you ask him: (help) 2.you're at a friend's house.you want to use the phone.you ask your friend's mother: (use) 3.you're trying to do your homework but your sister's making too much noise.you tell her: (be quit) 4.you want your english teacher to speak more slowly because you can't understand what she's saying.you ask her: (speak) 5.you're at a friend's house.it's raining and haven't got an umbrella.you ask him / her: (borrow)