Similar presentations:
Dental Clinics. Present Perfect Continuous
1. Караганда 2016
Карагандинский Государственный Медицинский УниверситетТема СРСП: Dental Clinics. Present Perfect Continuous.
Выполнили:
Сапаров Жаик
СТОМ 2-009
2. Dentistry
Dentistry is a branch of medicine that is involved in thestudy, diagnosis, prevention, and treatment of diseases,
disorders and conditions of the oral cavity.
The history of dentistry is almost as ancient as the
history of humanity and civilization with the earliest
evidence dating from 7000 BC
3. Dental treatments
Dental treatments are carried out to prevent or treat thetwo most common oral diseases which are dental
caries (tooth decay) and periodontal disease (gum
disease or pyorrhea). Common treatments involve
therestoration of teeth, extraction or surgical removal of
teeth, scaling and root planing and endodontic root
canaltreatment.
4. Present Perfect Continuous
Обозначает действие, которое началось в прошлом ипродолжается до настоящего момента речи. Действие может ещё
происходить в момент речи.
+
?
П + have/has + been + Ving
П + have/has + not + been + Ving
have/has + П + been + Ving
5. Примеры
We have been staying here all this week.Have you been reading this book for 2 hours?
We have not been staying here all this week.