Question

Someone knocked at the door

Answer 1

Answer:

• The door was knocked by someone

Hope it helps

Answer 2

Question-:

Someone knocked at the door.

Answer:

The door was knocked by someone.

Explanation:

This is called Transformation of sentences.

What is transformation of sentences?

Answer-:

The transformation of a sentence is all about changing its form without altering its meaning. We can, for example, transform an exclamatory sentence into an assertive sentence or vice-versa. We can also transform simple sentences into complex or compound sentences.