Question

When changing a sentence from active to passive,

• A. The simple past changes to the simple future.
• B. The simple past changes to the past perfect.
• C. The simple past remains unchanged.
• D. The simple past changes to the simple present.

Answer 1

The correct option is B

The simple past changes to the past perfect.

When changing a sentence from active to passive, the simple past changes to the past perfect.

Example:

Active: He delivered the parcel.

Passive: The parcel had been delivered by him.