We use clauses of purpose to explain why somebody does something. We can express positive purpose using: in order to/so as to + infinitive (formal) He stayed up late in order to/so as to write another chapter of his book. so that/in order that + can/will (present/future reference) I need to use my credit card so that/in order that I can buy the novel online. so that/in order that + could/would (past reference) She left work eorly so that/in order that she could meet the author at the book-signing. We can express negative purpose using: • in order not to/so as not to + infinitive only read e-books in order not to/so as not to fil my room with books. so that + can't/won't (present/future reference) We have to be very quiet so that we won't wake the baby. so that + couldn't/wouldn't (past reference) / didn't watch the film so that i wouldn't find out the ending before l'd finished the book

1. I thought you said you were going to give up smoking.

2. Our new neighbours invited me in for a cup of tea. I must say they seem a very nice couple.

3. Was it Bell who invented the telephone?

4. I wonder if I might have a receipt for the things I’ve bought.

5. Oh, Jan, could you remind me to phone the dentist this afternoon?

6. I wonder if you’d mind bringing John from next door? He’s wanted on the phone.

7. What else did you do in Spain, apart from swimming and sun bathing?

8. I’ve just bought a record of Beethoven’s Fifth symphony conducted by Karajan.

9. When we moved into our new flat I had to sell my grand piano.

10. We’ll have to change the curtains, darling. They don’t match the new suite.

11. A classic example of actors and actresses playing love scenes was when Richard Burton and Elizabeth Taylor were filming ‘Anthony and Cleopatra’.

12. Many people nowadays are changing from large cars to small ones because they are far more economic.

13. If you try long enough then you’ll eventually succeed.

In such families children can be born with psychopathic and intellectual deviations, a considerable delay in development. Sometimes teenage alcoholism starts to develop in incomplete families because of neglect of the teenager which it is brought up in the street. Among other reasons it is possible to name hyperguardianship. In aspiration to protect the child from difficulties, indulging it in everything, parents as a result bring up a weak-willed and moral weak being which at hit in other environment with ease comes under to bad influence. Undoubtedly, stability to alcohol in an organism of the teenager much more low, than at the adult person, therefore even rather small dose of a spirit can result not only in strong intoxication, but also to a serious poisoning. But eventually stability at teenagers all the same arises. The central nervous system and an internal at young men develop, they are unstable to any poisons. Therefore the early use of alcoholic production leads to instant development of dependence and defeat of bodies. From illnesses of teenagers which are connected with alcohol intake, it is possible to allocate a pancreatitis and hepatitises, illnesses эндокринной systems, pulmonary diseases, infringement of functions of heart and a problem with pressure. Treatment of teenagers which are sick of alcoholism, is spent in specialised branches and chambers of narcological clinics completely to protect from contacts to adults-alcoholics. Preventive maintenance of alcoholism at teenagers consists, first of all, in organizational and educational measures which are directed on that the teenager has realised negative influence of alcohol and aspired to avoid in every way contacts to it and other drinking. The extremely important is that as the teenager spends a free time, it is important to stimulate and encourage "correct" hobbies, such as sports, music, etc., to raise interest to study or the further work.