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.
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