Question

Changes, the following sentences from passive to active voice
A lecture was being delivered by our Headmaster
pickets were being purchased by them.
thief was being chased by the policeman​ (plez help fast)

Answer 1

Our headmaster delivered a lecture.

They purchased pickets.

The policeman chased the thief.

Explanation:

• There are two types of voice in the English language i.e. active and passive voice.

• When you change the object of a verb into the subject of the sentence a passive sentence is made.

• An active voice is when the subject in a sentence is more active and it does not need the support of the verb or object.

Answer 2

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1. Our headmaster was delivering a lecture

2. They were purchasing tickets.

3. The policeman was chasing the thief.