Prenentivf dentistry.. preventive dentistry includes cleaning the teeth, removing plaque, and advising patients how to brush teeth properly and how to use dental loss (a thread which removes food particles trapped between the teeth). studies have shown that tooth decay is decreasing mans countries as a result of preventixe dentistry, inproved dict, dental eare, and the use of fluoride. fluoride a substance which can reduce tooth decav, and can be incorporated in the tooth enamel by taking tablets or drops, or by using a nuoride toothpaste. it occurs naturally in some drinking water but is also added artificially in a ratio of one part per millhon. fecth. thet using braces and the form of treatment known as orthodontics invoives first raving a other devices to straigthen them, 1o even out any gaps, anl to make the teeth. gums and jaws work correctly. задайте 5 вопросов, общий, альтернативный, спец, разделтельный и к подлежащему
Does he play football?
What does he do?
Present Continuous
Is she sleeping?
What is she doing?
Present Perfect
Have you been to London?
What have you done?
Pres Perf Continuous
Have you been playing tennis for 2 hours at 3?
What have you been doing?
Past simple
Did you to school yesterday?
Where did he go last summer?
Past Continuous
Were you sleeping when I called you?
What were you doing when I called you?
Past Perfect
Had the bus left before we came to the bus stop?
What had happened before we came home?
Past Perfect Continuous
Had she been lying in the sun?
What had she been doing before we came home?
Future Simple
Will you go to Italy next year?
What will you do tonight?
Future Continuous
Will she be playing tennis at 5 tomorrow?
Where will she be going at 5 tomorrow?
Future Perfect
Will you have done your homework by 5 o'clock?
When will he have come by 6 tomorrow?
Future Perfect Continuous
Will she have been doing her homework for three hours at 7 tomorrow?
What will they have been doing since morning tomorrow?
Does he play football?
What does he do?
Present Continuous
Is she sleeping?
What is she doing?
Present Perfect
Have you been to London?
What have you done?
Pres Perf Continuous
Have you been playing tennis for 2 hours at 3?
What have you been doing?
Past simple
Did you to school yesterday?
Where did he go last summer?
Past Continuous
Were you sleeping when I called you?
What were you doing when I called you?
Past Perfect
Had the bus left before we came to the bus stop?
What had happened before we came home?
Past Perfect Continuous
Had she been lying in the sun?
What had she been doing before we came home?
Future Simple
Will you go to Italy next year?
What will you do tonight?
Future Continuous
Will she be playing tennis at 5 tomorrow?
Where will she be going at 5 tomorrow?
Future Perfect
Will you have done your homework by 5 o'clock?
When will he have come by 6 tomorrow?
Future Perfect Continuous
Will she have been doing her homework for three hours at 7 tomorrow?
What will they have been doing since morning tomorrow?