Grammar - Grade 10 - Present Perfect Tense Passive

Present perfect Passive

Look at the following sentence. It says about how internet helps us

 




Internet search engines have provided quick access to any kind of information for internet users

Now look at this sentence it also says about the effect of internet over people

 

Quick access has been provided to any kind of information for internet users by the internet search engines

 

 

In the first sentence;

 

Internet search engines have provided quick access to any kind of information for internet users.

 

The subject Internet search engines

has done the action

have provided 

 and therefore is the 

doer

  

So in this sentence the doer is important because the sentence speaks about the doer Internet search engines

 Therefore doer is the subject of the sentence

The subject is doing the action and is active

Therefore it is an active voice sentence.

 

But in the second sentence;

 

Quick access has been provided to any kind of information for internet users by the internet search engines

 

 

It is the action and the receiver of the action which is important in that situation because the sentence speaks about the receiver of the action

Quick access

Therefore we make the receiver the subject

 But in this sentence the subject doesn’t do any action and it is passive.

Therefore it is a passive voice sentence.

 

 

Quick access has been provided to any kind of information for internet users by the internet search engines

 

Is a Present perfect passive sentence

 

 

Let’s learn how the present perfect passive sentences are formed

When changing from active to passive the sentence structure is changed.

 

How does the sentence structure change?

has changed

becomes

has been changed

and

have changed

becomes

have been changed

 

 The receiver of the action or the object

becomes

The Subject

and

The subject which is the doer of the action becomes

the Agent

and it is introduce  with by

 

Internet search engines have provided quick access to any kind of information for internet users

 

               subject              verb                 object                        adverbial

 

Quick access has been provided to any kind of information for internet users by the internet search engines     

       

   subject             verb                    adverbial                                    agent

   

Let’s look at more examples



The internet has paved the way for some of the most effective
 means of communication among people.

The way has been paved for some of the most effective means of communication among people by the internet

 

 

The internet has enabled businessmen to do online transactions with their clients and customers without meeting them.

Businessmen have been enabled to do online transactions with their clients and customers without meeting them. 


The social media have affected the studies and day_ to _day life of children.

The studies and day_ to _day life of children have been affected by the social media.

Internet has also allowed exchange of ideas and materials among scientists, university professors and students.

The exchange of ideas and materials has also been allowed among scientists, university professors and students by the internet.

 


Now do the following activities

Activity 1

Make passive sentences

1.      She has done the sums.

2.    Anne has not done her sums.

3.    Tina has helped Roy in his studies

4.    The teacher has given an activity to the students.

5.     The teacher has given them a difficult paper

6.    The children have found an interesting book from the library.

 

Activity 2

Make sentences in the present perfect passive form using the following phrases.

 

1.      has taught    

       to play golf.

2.    have performed 
at Nelumpokuna

 

3.    have not finished

their practices
yet 

4.    have made
 for her wedding  

 

5.     has built 
across the river

 

6.    have awarded 
to her at the recent award ceremony


Activity 3

Following sentences say more effects of internet. Write those sentences again in the passive form.

 

  1.      The internet has also provided servers, resource centers and online tools for their activities.
  2.    The internet  has made available  millions of books journals and other materials  to learn all sorts of things.
  3.     Media  has reported many cases of addiction to online social networks such as face book ,Twitter.
  4.     On line games have affected the studies and day_ to _day life especially of students.
  5.      The convenience of internet has allowed people to become less active.
  6.    The World Wide Web has made people to become less active causing many health problems.
  7.      Sociologists have warned the people about the gradual decrease of interpersonal relationships among family members due to excessive use of internet.


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