Переделайте следующие предложение в страдательный залог, сделав подлежащим из скобок: he studies (english) at the technical school; i have written (a translation of english text) the day before; she had done (the written work) by 6 o'clock yesterday; she bought (an english dictionary) last month; mary visited (many places of interest) in london; she had translated (the text) by 6 o'clock; he stadies (english) at the institute; we have bought (a computer) in moscow.
English is studied by him at the technical school;
A translation of english text has been written by me the day before;
The written work had been done by her by 6 o'clock yesterday;
An english dictionary was bought by her last month;
Many places of interest were visited by Mary in London;
The text had been translated by her by 6 o'clock;
English is studied by him at the institute;
A computer has been bought by us in Moscow.