Convert Simple past tense to the Passive Voice

How to Simple Past tense to Passive Voice?

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In Simple Past Tense, we use the Second form of the verb with no helping verb in the Affirmative Sentences, But Always Remember that when we change the Affirmative Sentences of Simple Past Tense to Passive Voice we will use the Was and Were as the Helping Verb.
The Subject will Become Object and the Object will become subject while by will be Used before the Object of the sentence.
For Example:
Active Voice: She Ate banana.
Passive Voice: The Banana was Eaten by Her.

Active Voice: She wrote a love letter.
Passive Voice: A love Letter was written by her.

Active Voice: They Loved the movie.
Passive Voice: The Movie was loved by them.

Active Voice: We saw of our Old classmate in the Casino.
Passive Voice: Our Old classmate was seen by us in the casino.

Active Voice: They saw the Jumping shark.
Passive Voice: The Jumping Shark was seen by them.

Negative Sentences:

In the Simple Past Negative Sentences, we use Did not as a helping verb with the first form of the verb, but when we convert it to Passive voice, the helping verb Did not will be replaced with Was not or were not according to the subject of the sentence.
For Example:
Active Voice: She Did not read the Daily Telegraph.
Passive Voice: The Daily Telegraph was not read by her.

Active Voice: He did not sing the New Spanish Song.
Passive Voice: The New Spanish song was not sung by him.

Active Voice: They did not Guide the student about Malaria.
Passive Voice: The Students were not guided by them about malaria.

Active Voice: We did not win the Local champion trophy this year.
Passive Voice: The Local Champion Trophy was not won by us this year.

Interrogative Sentences:

When we Convert Interrogative Sentences of Simple Past tense to the passive voice we Place Was or Were as the Subject of the sentence while The Present Participle will convert to the Past participle.
For Example:
Active Voice: Did She watch the Ashes?
Passive Voice: Was the Ashes watched by her?

Active Voice: Did they prepare the Dinner?
Passive Voice: Was the Dinner prepared by them?

Active Voice: Did she play the music loud?
Passive voice: Was the Music played loud by her?

Active Voice: Did they learn the Second Person singulars?
Passive Voice: Was the Second Person singulars learned by them?