Question

for many centuries we did not know that plants can breathe. (passive voice)​

Answer 1

Answer:

It is known to us all that there is only one God.it is the correct answer

Answer 2

➤ Given:

For many centuries. we did not know that plants can breathe.

➤ What To Do:

We have to convert the sentence into a passive voice sentence.

➤ Required Answer:

For many centuries, plants can breathe were not known by us.

➤ Explanation:

Here in the sentence,

1. Subject and Object

Active Voice:

• Subject:- We
• Object:- Plants

Passive Voice:

• Subject:- Plants
• Object:- We

2. The Verb

Active Voice:

• Verb:- Did not know

Passive Voice:

• Verb:- Were not known

3. Use of By

Active Voice:

• There is no by.

Passive Voice:

• There is a by.