Question

we know that Columbus discovered America .
( change the voice)​

Answer 1

Explanation:

Step 1 , America- the object becomes the subject.

Step 2 ,be form of past tense for singular subject ‘ was ‘ is used.

Step 3 ,The past participle of the verb discovered, ‘discovered ‘ is used.

Step 4 ,The subject of the active voice

‘ Columbus ‘becomes the object.

Thus, …the passive voice is,

America was discovered by Columbus…