Chapter IV : Active and Passive Sentences in Past Form
A. Simple Past Tense · Active sentences in the simple past tense have the following structure: Subject + past tense form of the verb + object · Passive sentences in the simple past tense have the following structure: Object of the active sentence + was/were + past participle form of the verb + by + subject of the active sentence · Examples : 1. Active: He bought an apple. Passive: A letter was bought by him. 2. Active: I knew it. Passive: It was known by me. 3. Active: Mr. X kicked the ball. Passive: The ball was kicked by him. B. Past Continuous Tense · ...