Обстоятельственные придаточные предложения

*Упр. 8.14 Найдите все обстоятельственные придаточные предложения в следующих предложениях. Укажите их количество. Определите тип каждого придаточного предложения.

1 Until cable television was invented, many viewers could not get clear reception on their sets.

2 Applicants will be considered provided that their files are complete before deadline.

3 Mr. Williamson will be leaving the firm soon whether or not he voluntarily turns in his resignation.

4 As water vapour cools, it changes from a gas to a liquid and finally to solid ice.

5 Because Neptune orbits the sun only once every 165 years, it has not completed a full revolution since it was discovered in 1946.

6 While vision is the dominant sense in sighted people, for the blind the sense of touch is the most important.

7 In the late 1800’s the number of murders in the U.S. fell although the percentage of murders committed with handguns increased.

8 Many people do not explore new software because they are comfortable with what they already have.

9 The weeds and tall grass in that yard make the house look as if it has been vacant for quite some time.

10 Stacy Pool will be closed for a week so that it can be repainted before the summer season begins.

11 Global communication and computer networks will become more and more a part of professional and personal lives as the price of microcomputers and network access drops.

12 Even though Tunisia is a small country, it has a booming tourist industry.

13 Artificial worlds are being built up in a computer memory so that people can walk through at will, look around, and even touch objects.

14 Because a modem can be used for inter-computer communication, many people can now do their office work on their computer at home and transfer the files to a computer at the office.

15 If individuals are awakened each time they begin a dream phase of sleep, they are likely to become irritable even though their total amount of sleep has been sufficient.

16 You never know what you can do till you try.

17 The Romans built raised sidewalks of stone in Pompeii so that pedestrians would not get their feet muddy.

18 Although the existence of germs was verified in about 1600, scientists didn’t prove the connection between germs and diseases until the mid-nineteenth century.

19 While students practice doctoring a plastic automated mannequin, the instructor uses a computer to vary the mannequin’s reactions.

20 When a key is pressed, a series of levers opens the hole in the pipe and air is pumped through.