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I - Rewrite these sentences in the present perfect.

1. - A photographer needs to explore the outdoors.

Respuesta 1 : A photographer has needed to explore the outdoors.

2. - Human Resources describe the individuals working in an organization.

Respuesta 2 : Human resources describe the individuals who have worked in an organization.

3. - Do the government impose norms and values to the citizens?

Respuesta 3 : Has the government imposed norms and values on citizens?

4. - No, I don't find any mistake in your article.

Respuesta 4 : No, I have not found any mistake in your article.

5. - Jerry undergoes stress when he has an interview.

Respuesta 5 : Jerry has undergone stress when he has had an interview.

6. - Does an enterprise seek the best professionals for working in it?

Respuesta 6 : Have an enterprise sought the best professionals for working in it?

7. - No, a cameraman doesn't appear on television programs.

Respuesta 7 : No, a cameraman has not appeared on television programs.

8. - Many young men are interested in studying social communication.

Respuesta 8 : Many young men have been interested in studying social communication.

9. - Do professional photographers take many images in their cameras?

Respuesta 9 : Have professional photographers taken many images in their cameras?

10. - Does a journalist have different fields for working?

Respuesta 10 : Has a journalist had different fields for working?

II - Rewrite these sentences in the present perfect progressive.

1. - Unployment rate increases from day to day.

Respuesta 1 : Unployment rate has been increasing from day to day.

2. - Do you spend money in unnecessary things?

Respuesta 2 : Have you been spending money on unnecessary things?

3. - No, I don't achieve knowledges only with the teachers's explanations.

Respuesta 3 : No, I have not been achieving knowledges only with the teacher's explanations.

4. - Human Resources become fundamental in any corporation.

Respuesta 4 : Human Resources has been becoming fundamental in any corporation.

5. - Does an UCSAR student expect to be an efficient professional?

Respuesta 5 : Has an UCSAR student been expecting to be an efficient professional?

6. - A communicator bears a huge social responsibility.

Respuesta 6 : A communicator has been bearing a huge social responsibility.

7. - English is unquestionably necessary for all kind of professionals.

Respuesta 7 : English has been being unquestionably necessary for all kind of professionals.

8. - A social communicator has daily outdoors activities to report.

Respuesta 8 : A social communicator has been reporting daily outdoors activities.

9. - Do you do the best to succeed in your studies?

Respuesta 9 : Have you been doing the best to succeed in your studies?

10. - Different news occur according to the human development life.

Respuesta 10 : Have been occurring different news according to human development life.

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