- it is... that
- it is... that that which, who, when. , , it is that, ( ). it is , that, who, which ( , ), .
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) , ( ) , , , , , , , , : It is this last category that is of interest to us ; It was not until 1970 that he published his book 1970 . ; It was he who informed us about the results of their work .
, , : It is prbecisely this method that he followed ; It was not only this value that counted .
) ( ), , : It was Pr. N., who was elected chairman of the session N. .
, , it. who, whom, which, that. who, whom , which . that , . .: I read the book yesterday. ; It was I who read the book yesterday . It was the book that I read yesterday ; It was yesterday that I read the book .
. 134. , .
1. It was in the park that I found them. 2. It was the invention of writing which made schools necessary. 3. It is due to the close cooperation of physicists and chemists that new physical measurements were developed. 4. It was Einstein who provided a new conception of time, space and gravitation. 5. It is atomic electricity that will be the electricity of tomorrow. 6. It is on this square that many historical events took place. 7. It was at 5 o'clock that he finally called us. 8. It is this engineer who helped us in our work. 9. It was last night that they discussed the plan of their work. 10. It is my friend who was here last week. 11. It is at the meeting that he spoke about the problems of our work. 12. It is Los Angeles which has led in measures to reduce smog. 13. Facts give a science its substance, but it is the theory which provides its strength.
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. 135. .
: My brother works at this plant as an engineer. It is m brother wh works as an engineer at this plant. It is as an engineer that my brother works at this plant. It is at this lant that my brother works as an engineer.
1. Tom made a report at the seminar last time. 2. Yesterday my mother watched a new film on TV. 3. Alexander Bell invented the telephone in 1876. 4. My friend speaksFrench well. 5. The students could see mn good picturesin the art museum. 6. The boywill be able to ski in the forest this winter. 7. In 1812 during Napoleon's invasion a terrible fire raged in Moscow for several days. 8. Mary Curie got the Nobel Prize twice. 9. In 1863 Londoners used a new and strange way of travel. 10. The Brooklyn Bridge was built in New York in 1883.
. 136. , .
1. It was ancient Egypt that gave the world its first lessons in the art of making columns. 2. It was this technique that failed to meet the requirement. 3. It was of this method that they spoke and wrote about. 4. It is what one does that counts, not what one promises. 5. It was not until the early fifties that monetary policy came to be re-discovered. 6. It is exactly this composition that will do for our purpose. 7. It is the atmospheric pressure which forces air into the cylinders of the engine. 8. It is in the field of communications that the laser will find most extensive application. 9. It is the movement of electrons which constitutes an electric current. 10. It was at Stanford University that the new type radio telescope was built. 11. It is the radio wave that carries music or speech to your receiver. 12. It was not until later that chemical analysis showed the crystals to be a brand new substance. 13. This man-made pollution is what clean-air laws are aimed at. 14. It was James Henry Greathead who developed the method which made most tube tunnels possible. 15. Man has used metals for centuries in gradually increasing quantities, but it was not until the Industrial Revolution that they came to be employed in really vast quantities. 16. It was the intense development of radio and radar techniques that stimulated the development of radio astronomy. 17. It is the absence rather than the presence of hindrance that is noteworthy.
VIII.
