Slowly, please.
1- As long as I finish my homework first, my parents don't mind I surf a little.
2- You should save your work on the computer often in case the power goes off while you are working and the program shuts down.
3- I will have it all set up in about an hour unless there's some software missing.
4- I bought a laptop in case I have to take my work with me on holiday!
5- You can use my computer as long as you don't read my e-mail!
6- You can borrow my computer as long as you are careful with it.
7- George is going to buy a new computer game unless it is too expensive.
8- I will write down your e-mail address in case I forget it.
9- You can connect to the Internet unless you forget your password.
10- You can connect the Internet as long as you remember your password.