A) Change the active voice into passive: 1. They showed me a rare plant. 2. Ford paid much money to his workers. 3. The Indians gave some corn to the colonists. B) Change from passive voice to active: 1. The man was given a sack of corns. 2. The White House was designed by James Holman for the president. 3. The last dodo was killed in 1680.

A) Change the active voice into passive:

1. They showed me a rare plant.
   → I was shown a rare plant.
   (Также возможно: A rare plant was shown to me.)

2. Ford paid much money to his workers.
   → Much money was paid to his workers by Ford.

3. The Indians gave some corn to the colonists.
   → Some corn was given to the colonists by the Indians.
   (Также возможно: The colonists were given some corn by the Indians.)

B) Change from passive voice to active:

1. The man was given a sack of corns.
   → They gave the man a sack of corn.
   (Также возможно: Someone gave the man a sack of corn.)

2. The White House was designed by James Holman for the president.
   → James Holman designed the White House for the president.

3. The last dodo was killed in 1680.
   → Someone killed the last dodo in 1680.
   (Или: People killed the last dodo in 1680.)