1. I didn't go to Helen's party because she didn't invite me.
2. I don’t know if I’ll go to the beach. It depends on the rain.
3. Ann can’t buy a new car because she hasn’t got enough money.
4. You can get access to the Intranet only by having a password.
5. She feels lonely since she hasn't got any friends.
6. Carlos Sainz didn't win the Monte Carlo Rally because his car broke down.
7. Should you require more information, ask at the desk.
8. Jim missed the plane because he arrived late at the airport.
9. I don't have a modem, so I can't e-mail you.
10. I didn't send them a postcard because I didn't know their new address.
11. She isn't passing her exams because she isn't studying hard enough.
12. I'd like to buy a bigger flat, but I haven't got enough money.
13. I didn't get to the meeting on time because my car broke down.
14. You can attend the meeting as long as you are a club member.
15. The restaurant was full so we couldn't get a table.
16. Mixing these ingredients you can prepare a great recipe.