Passive in the present perfect

The passive voice in the present perfect have been bought is being used to emphasise the subject Tesla electric cars. We use the passive when the subject is irrelevant (We dont care who or what has caused the action to be).

Only she has been known to be always in time. The passive voice in the present perfect is used here have been made to put the focus on the efforts being made. These actions have started in the past but continue up to the present moment.

Whats this curriculum about? Joanas suggestion has been approved by everybody. For a week, since yesterday, for a long time, since 2010 : We use: for ages / ten years / six months / two weeks / fifteen minutes a period of time since 2015 / March / last. It is used in certain situations and often with quite different meanings.

In general, we use Passive voice instead of Active voice when.

We use the passive when we are unclear or vague about the subject An interesting letter has been written by this author. Present Perfect Passive: usage We use the Present Perfect in the passive form for all the same reasons we use it in the active form to talk about (1) experiences and achievements, (2) changes over time, (3) incomplete actions with. Passive: The clinic has been cleaned by them. Passive: Has the man been caught by the police?

So, do you think much has been done? We have completed our project by now. I havent the slightest clue as to who or what has been driven to commit such an act but we need to get to the bottom of all this.

Analysis So, what efforts have been made to make this planet a clean planet? Passive: The letters have been delivered by UPS.

Had the essay been written by the time he returned? We dont know what has been done.

I can, t use my office at the moment. I started teaching five year ago.

The light has been turned on already. Active : They have cleaned the clinic. Has the patients temperature been taken?

My boyfriend has arrived. I dont know what youre talking about. To say about an action repeated in an unspecified period between the past and now: I have visited them many times. Past Perfect Passive When we came home dinner had not been cooked yet.