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Learn to distinguish between the subject and. the object infinitive constructions.

1) Most scientists expect major development in the near future to take place in biology. 2) We know him to have objected to this style of research on previous occasions. 3) The present-day situ¬ation forces more and more countries to start contributing to this field of research. 4) Nowadays science is known to contribu¬te to every aspect of man's life. 5) Some people seem to be disappointed in science. 6) This scientist is known to be keeping in touch with the latest developments in his field of research. 7) Most people believe the amount of effort in science to be somehow correlated with the standard of living in the country. 8) Не is said to avoid all sorts of arguments. 9) The data are assumed to correlate with the present theory. 10) The results of these expe¬riments are found to overlap. 11) He happens to work at the same problem. I2) We believe the programming to have been done very skillfully. 13) He appeared to have lost interest in physics alto¬gether. I4) They are sure to argue about it.