Question

Exercise 9. Change these sentences from active to passive voice
1. Lightning had knocked down several trees.
2. By then, Babbage had invented the computer,
2 His father had advised him to b e​

Answer 1

Answer:

1. Several trees had been knocked down by Lightning.
2. By then, Computer had been invented by Babbage.
3. He was advised by his father to be....

Answer 2

Explanation:

1.Several trees had been knocked down by lightning.

1.Several trees had been knocked down by lightning.2.By then, computer had been invented by Babbage.