Помогите пожалуйста!Срочно!Даю 20 баллов!Номера 5,1

1. You can borrow my new digital camera providing that you look after it.2. Unless I don't get my computer fixed, I won't be able to finish the job I'm doing.3. You wouldn't be able to use this programme as long as you hadn't done the training course.4. Provided that you've got the right kind of scanner, you can turn a text into a computer file.