Преобразуйте следующие предложения, используя оборот Complex Subject, не изменяя при этом их смысл

1) Our machine tools are expected to serve longer. 2) This project is expected to be built ahead of schedule. 3) A theory is known to be tested by practice. 4) This machine is said to have been perfected by our workers. 5) This country is known to have substantially reduced its armed forces. 6) The State budget may be said to be the financial plan insuring the development of all branches of economy. 7) They seem to have analysed all the details of the matter. 8) The bulk of all budget revenues is known to come from taxation. 9) Large sums were reported to have been invested in agriculture. 10) The period of uncertainty about exchange rates seems to have some discouraging effect on trade. 11) It seems that all the necessary instruments are there. 12) Accounting is often said to be the language of finance.