Подберите наречиям из левой колонки соответствующие толкования из правой. Проверьте по ключу.

1. incessantly 1. at short intervals

2. intermittently 2. frequently

3. often 3. not all the time

4. sometimes 4. without stopping or interruption

5. constantly 5. now and then, at times

6. continually 6. not stopping, continually

7. occasionally 7. continually stopping and starting again

8. continuously 8. again and again, repeatedly

	1 - 6	3 - 1	5 - 2	7 - 5
2 - 5	4 - 3	6 - 8	8 - 4

Note: compare continual and continuous.

Continual usually describes an action which is repeated again and again.

Continuous indicates that the action is going on without stopping or interruption.

Ex.9.

Заполните пропуски, выбрав подходящий вариант из предложенных ниже. Объясните свой выбор.

1. For millions years the surface of the earth have been ________ crumbling under the weather

a) incessantly

b) regularly

2. Various parts of the earth are being _______ affected by sudden movements of the earth’s crust.

a) continually

b) sometimes

3. During the eons of geological time vast quantities of molten materials have _______ been forced out upon the surface.

a) continuously

b) intermittently

4. The outer shell of the earth has ________ shown marked instability throughout geological time.

a) continually

b) continuously

Ex.10.

Выберите правильный вариант из предложенных в скобках.

1. Sea waters have spread over many parts of (that/what) are now continental areas.

2. (There/where) have been repeated advances and retreats of the sea over many districts.

3. For millions of years rocks have been crumbling under the (whether/weather).

4. Locally glaciers have plowed (though/through) mountain valleys.

Ex. 11.