1.whom these letters were written by? 2.all the books have been put into the bookcase by the girl. 3.the fields will be covered by snow. 4.he is being asked at the moment. 5.the article was being translated when we came into the library yesterday. 6.younger brother of betty is often taken for a walk by her. 7.the truth have not been told her. 8.some coffee has been made by mother. 9.have the tests been given to the students? 10.the paper have been written by students without mistakes. 11.the dishes are being washed by Kate now. 12.all my homework will have been done tomorrow by 3 o'clock. 13.i was shown the way to the metro station. 14.an interesting entertainment was promised us. 15. the door has been opened.