Wednesday, 19 February 2020

Grammar overview- Passive Voice

Use of Passive

Passive voice is used when the focus is on the action. It is not important or not known, however, who or what is performing the action.
Example: My bike was stolen.
In the example above, the focus is on the fact that my bike was stolen. I do not know, however, who did it.
Sometimes a statement in passive is more polite than active voice, as the following example shows:
Example: A mistake was made.
In this case, I focus on the fact that a mistake was made, but I do not blame anyone (e.g. You have made a mistake.).

Form of Passive

Subject + finite form of to be + Past Participle (3rd column of irregular verbs)
Example: A letter was written.
When rewriting active sentences in passive voice, note the following:
  • the object of the active sentence becomes the subject of the passive sentence
  • the finite form of the verb is changed (to be + past participle)
  • the subject of the active sentence becomes the object of the passive sentence (or is dropped)

Examples of Passive 

TenseSubjectVerbObject
Simple PresentActive:Ritawritesa letter.
Passive:A letteris writtenby Rita.
Simple PastActive:Ritawrotea letter.
Passive:A letterwas writtenby Rita.
Present PerfectActive:Ritahas writtena letter.
Passive:A letterhas been writtenby Rita.
Future IActive:Ritawill writea letter.
Passive:A letterwill be writtenby Rita.
ModalsActive:Ritacan writea letter.
Passive:A lettercan be writtenby Rita.

Examples of Passive 

TenseSubjectVerbObject
Present ProgressiveActive:Ritais writinga letter.
Passive:A letteris being writtenby Rita.
Past ProgressiveActive:Ritawas writinga letter.
Passive:A letterwas being writtenby Rita.
Past PerfectActive:Ritahad writtena letter.
Passive:A letterhad been writtenby Rita.
Future IIActive:Ritawill have writtena letter.
Passive:A letterwill have been writtenby Rita.
Conditional IActive:Ritawould writea letter.
Passive:A letterwould be writtenby Rita.
Conditional IIActive:Ritawould have writtena letter.
Passive:A letterwould have been writtenby Rita.

Passive Sentences with Two Objects 

Rewriting an active sentence with two objects in passive voice means that one of the two objects becomes the subject, the other one remains an object. Which object to transform into a subject depends on what you want to put the focus on.
SubjectVerbObject 1Object 2
Active:Ritawrotea letterto me.
Passive:A letterwas writtento meby Rita.
Passive:Iwas writtena letterby Rita.
As you can see in the examples, adding by Rita does not sound very elegant. Thats why it is usually dropped.

Personal and Impersonal Passive

Personal Passive simply means that the object of the active sentence becomes the subject of the passive sentence. So every verb that needs an object (transitive verb) can form a personal passive.
Example: They build houses. – Houses are built.
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.
Example: he says – it is said
Impersonal Passive is not as common in English as in some other languages (e.g. German, Latin). In English, Impersonal Passive is only possible with verbs of perception (e. g. say, think, know).
Example: They say that women live longer than men. – It is said that women live longer than men.
Although Impersonal Passive is possible here, Personal Passive is more common.
Example: They say that women live longer than men. – Women are said to live longer than men.
The subject of the subordinate clause (women) goes to the beginning of the sentence; the verb of perception is put into passive voice. The rest of the sentence is added using an infinitive construction with 'to' (certain auxiliary verbs and that are dropped).
Sometimes the term Personal Passive is used in English lessons if the indirect object of an active sentence is to become the subject of the passive sentence.

Grammar notes: https://inglescarmelitaslb.files.wordpress.com/2011/03/the-passive-voice1.pdf

Exercises

Exercises on Passive (Form)

Exercises on Passive (Active → Passive)

Exercises on Passive (Active or Passive)

Grammar in Texts

Tests on Passive


GET / HAVE SOMETHING DONE

Passive Voice

This construction is passive in meaning. It may describe situations where we want someone else to do something for us.

Examples

  • I must get / have my hair cut.
  • When are you going to get that window mended?
  • We’re having the house painted.
If the verb refers to something negative or unwanted, it has the same meaning as a passive sentence:
  • Jim had his car stolen last night. (= Jim’s car was stolen)
  • They had their roof blown off in the storm. (= Their roof was blown off in the storm)
The construction can refer to the completion of an activity, especially if a time expression is used:
  • We’ll get the work done as soon as possible.
  • I’ll get those letters typed before lunchtime.
In all these sentences, we are more interested in the result of the activity than in the person or object that performs the activity.

‘X’ NEEDS DOING

In the same way, this construction has a passive meaning. The important thing in our minds is the person or thing that will experience the action, e.g.
  • The ceiling needs painting (= the ceiling needs to be painted)
  • My hair needs cutting (= my hair needs to be cut)
We use a causative verb when we want to talk about something that someone else did for us or for another person. It means that the subject caused the action to happen, but didn't do it themselves. Maybe they paid, or asked, or persuaded the other person to do it. For example, we can say:
  • I cleaned my house. (This means I cleaned it myself).
If I paid someone to clean it, of course I can say:
  • A cleaner cleaned my house.
But, another way is to use a causative construction. So I can also say:
  • I had my house cleaned.
In a sense, using a causative verb is similar to using a passive. The important thing is that the house is now clean. We don't focus on who did the cleaning.

Have + object + past participle (have something done)

We usually use 'have something done' when we are talking about paying someone to do something for us. It's often used for services. The form is 'subject + have + object + past participle'.
  • I had my car washed.
  • John will have his house painted.
Get + object + past participle (get something done)

We can also use 'subject + get + object + past participle'. This has the same meaning as 'have', but is less formal.
  • The students get their essays checked.
  • I'll get my hair cut next week.
  • He got his washing machine fixed.
Try an exercise about 'have something done' and 'get something done' here.


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