Passive because it doesn't tell us who lost the pencil.
Jack had lost the pencil -- is an active sentence
The pencil had been lost by Jack -- is a passive sentence. You don't have to have the agent (by Jack)
The passive voice must have the verb 'to be' in the correct tense plus the past participle of the main verb. Here are some examples: I do (active)/it is done (passive) I did (active)/it was done (passive) I am doing (active)/it is being done (passive) I was doing (active)/it was being done (passive) and so on So to change protect into the passive would be I protect (active)/ It is protected (passive)
The passive voice must have the verb 'to be' in the correct tense plus the past participle of the main verb. Here are some examples: I do (active)/it is done (passive) I did (active)/it was done (passive) I am doing (active)/it is being done (passive) I was doing (active)/it was being done (passive) and so on
active
Passive voice
active
passive
active and passive
== == "English grammer active and passive voice change from active to passive .
is a thermocouple an active or passive transducer?-why?
Passive is to change as active is to affect.
passive
The passive voice must have the verb 'to be' in the correct tense plus the past participle of the main verb. Here are some examples: I do (active)/it is done (passive) I did (active)/it was done (passive) I am doing (active)/it is being done (passive) I was doing (active)/it was being done (passive) and so on So to change protect into the passive would be I protect (active)/ It is protected (passive)
Passive
One is active and one is passive
passive is facial and active is finferprinting
To change an active sentence to passive, identify the object in the active sentence and make it the subject in the passive sentence. Move the subject of the active sentence to the phrase with "by" and change the verb to its past participle form. To change a passive sentence to active, identify the subject in the passive sentence and make it the subject in the active sentence. Use an appropriate active verb to describe the subject's action and add the original object of the passive sentence as the direct object in the active sentence.
active