Пассивный залог. вставьте пропущенные слова. perfect tenses.
1. the program (to install) - программа установлена
2. the door (to fix) by the time we came back - дверь была отремонтирована к тому времени, как мы вернулись
3. don't worry. the boy (to find) - не беспокойтесь. мальчика нашли
4. the cargo (to deliver) yet - груз все еще не доставлен
5. i (to search) before i entered the building - меня обыскали перед тем, как я зашел в здание
6. sorry, but the article you gave me (to publish) - простите, но статья, которую вы мне дали, уже была опубликована

to do a crossword 

a crossword is done

is a crosswod done?

a crossword is not done

to read a book

a book is read

is a book read?

is  the book written?  

a book is not read

to recite a poem

a poem is recited

is a poem recited?

если надо поменять время, то принцип тот же

1)  in are town two railway stations, this there (в  городе  находятся  две станции  железной дороги,  это  там)2)  in my room an is there old tv (в моей комнате  есть  старый телевизор)3)  in the centre shopping there two are new sports shops (в  торговом центре  имеется  два  новых  спортивных магазинах)

1)  london wasn't the capital till the eleventh century. - london didn't used to be the capital till the 11th century. 

2)   when willian shakespeare lived in london he acted and wrote plays. -  when w.s. used to live in london, he acted and wrote plays.

3) henry longfelow , one of the most popular american poets of the 19-th century , learnt modern languages. -  h.l., one of the most popular american poets of the 19th century, used to learn modern languages.

4)   when michel jackson was 7 years old he often took part in the concerts. -  when m.j. was 7 years old, he often used to take part in the concerts.