Напиши отрицательные предложения. 1 i play tennis 2 we watch tv in the kitchen 3 he collects stamps 4 i live in london 5 bob goes windsurfing of books 6 you read a lot of books

1)I am not playing tennis
2) we aren't watching TV in the kitchen
3) He isn't collecting stamps

Locolized parodontitis is a disease,characterized by the inflammation and the destruction of parodontium in the area of one or several teeth.The course of lacolized parodontitis may be chronic,aoute and exacerbated.The clinical manifestations depend on the etiological factor,the severity of parodontal lesion and the character of inflammatory process.The causes of parodontitis development are local injurious.The most common cause is chronic trauma,for example,the trauma of gingiva.The patients complain of pain,bleeding of gums,dysfunction of the affected area.If infection occurs the pain and edema of tissues increase.Chronic localized parodontitis has a prolonged course and its charactirized by insignificant subjective symptomatology.Most often pain occurs while eating.

General parodontitis is known to occur in 90-95 per cent of patients.The characteristic signs are following:symptomatic gingivits,parodontal pockets,traumatic occlusion and resorption of the alveolar bone.There are chronic and acute courses of this disease.Clinically chronic generalized parodontitis is characterized by chronic symtomatic gingivits,the cotent of serous or seropurulent exudate in patodontal pockets.The x-ray examination reveals a modarate resorption of the alveolar bone.Mobility of teeth corresponds to the degree of alveolar bone absorption.

Объяснение:

Это задание только на времена группы Present

1. Cindy never does her homework, that’s why the teacher gets angry with her.

2. Dad is washing the car now. He doesn't like it, but mum always wants the car to be clean.

3. Baby Lisa doesn't walk, she only crawls.

4. “Is Paul studying for the biology exam?” “No, he isn't. In fact, he is phoning Mandy.”

5. Let’s go home! It is too late for the children.

6. Do you understand the maths homework?

7. Terry is having lunch now, so he can't go out.

8. Alice’s children spend hours in front of the TV. They are watching it now.

9. We always stay in a 5-star-hotel whenever we travel to London, but this time we are staying at a friend’s house.

10. My brother is saving his pocket money to get a new laptop.

11. Carol doesn't like meat, so she never eats hamburgers.

12. “What time does the plane take off?” “I think it takes off at 19:50.

13. Yes, of course I can help you; I'm not doing anything important now.

14. Tom isn't in. He is swimming. He usually swims on Friday evening.

15. Mum is always telling me I play the music loud. What a nuisance!

16. “Does the new TV series begin at 9 or 10 p.m.?” “It begins at 9:30.”

17. “Is Paul writing his essay, dear?” “No, mum, he is chatting  with Adam."