С! exercise 3. complete the sentences using: can could can't couldn't were able to will be able to won't be able to 1. i don't think we travel to mars before 2010. 2. luckily the weather was great, so we have a picnic. 3. my cousin swim when he was three, but i still . 4. the music was so loud that i hear what you were saying. 5. if we don't finish early, we see the programme on tv. 6. anyone do that! exercise 4. change these statements into polite questions, using could. (request) 1. i want to have another cup of coffee.— could i have another cup of coffee, please? 2. give me a cigarette. 3. tell me when the train leaves. 4. we want to have a table near the window. 5. i want to have a ticket to london. 6. i want to go home early today. exercise 5. rewrite these sentences asking for permission, starting with the phrases given. 1. i'd like to have a little more time.// wonder if.. i could have a little more time. 2. can i start now? / do you 3. can i listen to the radio while you're working? / do you mind 4. may i come in now? / is it all right 5. i'd like to speak next./ do you exercise 6. rewrite these sentences giving permission, starting with the words given. 1. you're allowed to do whatever you want./ you can do whatever you want 2. it's all right to have visitors after three o'clock. / you're allowed 3. you may all go home as soon as you've finished work. /you can 4. i don't mind you coming back late as long as you don't make too much noise./you 5. with this banker's card you can cash a cheque for up to £250. / with this card you are allowed 6. i'll let you use my pen until i need it myself. /you

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