PRESENT PERFECT STRUCTURE

SUBJECT + HAVE /HAS + VERB IN PAST PARTICIPLE + COMPLEMENT


1. Unspecified Time

To say that an action happened at an unspecified time before now. The exact time is not important.  We use expressions such as: ever, never, once, many times, several times, before, so far, already, yet, etc.

Example:

I have seen that movie twice.

2. Experience

To describe your experience.
 

Example:

• I have been to Brazil.

3. Change

To talk about change that has happened over a period of time.

Example:

• You have cut your hair, it looks nice.

4. Accomplishments 

To list the accomplishments of individuals and humanity.

Example:

• Doctors have done many scientific advances.

5. Incomplete Action 

To say that an action started in the past and continues in the present or may continue in the future.

Example:

• Jo has not finished her major yet.

6. Actions at Different Times

To suggest that a process is not complete and more actions are possible at different times.

Example:.

• I have had four job interviews so far this month.

 Adaptación de:http://www.englishpage.com/verbpage/presentperfect.html  

 Actividad: González Navarro