1) St. Petersburg was found in 1703.
2) Those trees were planted last autumn.
3) Many interestin games are played at out lessons every day.
4) This bone will be given to my dog tomorrow.
5) We were invited to a concert last Saturday.
6) My question is being answered now.
7) Berries are being gathered in summer.
8) Thousands of houses have been destroyed by floods.
9) His new book will be finished next year.
10) All the flowers have been sold recently.
Объяснение:
1) St. Petersburg was found in 1703.
2) Those trees were planted last autumn.
3) Many interestin games are played at out lessons every day.
4) This bone will be given to my dog tomorrow.
5) We were invited to a concert last Saturday.
6) My question is being answered now.
7) Berries are being gathered in summer.
8) Thousands of houses have been destroyed by floods.
9) His new book will be finished next year.
10) All the flowers have been sold recently.
Объяснение: