Question

change
the
following into
impersonal passive:
1.The company
had manufactured high powered
engines​

Answer 1

Impersonal Passive:-

Explanation:-

Impersonal Passive

Verbs without an object (intransitive verb) normally cannot form a personal passive sentence (as there is no object that can become the subject of the passive sentence).

If you want to use an intransitive verb in passive voice, you need an impersonal construction – therefore this passive is called Impersonal Passive.

such as it is said that….

Form of Impersonal Passive:-

[It + passive verb (be + past participle) + that clause]

Example

he says => it is said

so, the answer is:-

It was high Powered engines that the company manufacture.

Answer 2

Explanation:

the engines had been manufactured high powered by the company