Italy
USA
London
Massachusetts in the USA
Los-Angeles California USA
1 is - Present Simple Active от неправильного глагола to be
Изобретение электронных компьютеров является одним из самых великих достижений человечества.
2 created -Past Simple Active от стандартного глагола to create
Многие выдающиеся русские и зарубежные математики 17го века создали механические вычислительные приборы.
3 will arrive -Future Simple Active от стандартного глагола to arrive
Участники научной конференции прибудут завтра.
4 are- Present Simple Active от неправильного глагола глагола to be
В каждом компьютере есть много сложных частей и деталей.
2 was striking
3 is decorating
4 were waiting, didn't come
5 read
6 hugged
7 is shouting
8 believe
9 was
10 put
1.i was sitting in front of the fire when they called out to me.
2.i was getting the tea ready when my mother came home from work
3.she was dusting the carpet when her cat knocked a vase off the table.
4.we were finishing our tea when there was a knock at the door.
5.they were going down the garden path when she stopped and waved