Present Perfect

STRUCTURES
1. Have/has + Past Participle
  1. AFF: I've played football.
  2. N: I haven't been to Japan.
  3. Q: Have you read the Harry Potter series?
ACTIONS
1. Past --> Past. : Someone's experience.
  1. No time expressions
2. Past --> Present. : Events which have a result in the present.
3. Past --> Present... (Future): Actions that began in the past and continue in the present.
CHARACTERISTICS
1. EVER: at any time.
2. NEVER: at no time.
3. FOR: periods of time.
4. SINCE: moments in time.
5. JUST: recently-finished.
6. ALREADY: happened earlier than expected.
7. YET: to ask if something has happened.
EXAMPLES
1. I have been a profesional teacher for 33 years.
2. She has never been to England.
3. Have you ever been to the zoo?
4. They have lived in León since 1990.
5. She has just broken a glass.
6. I have already seen that film.
7. Have you seen him yet?
8. I haven't done my homework yet.
VERSUS PAST SIMPLE
1. PAST SIMPLE: Past --> Past.: What we did at a time in the past
  1. TIME EXPRESSIONS
    1. Yesterday, the day before yesterday, last week, in 1999, three months ago.
      1. EXAMPLES
        I played football yesterday.
        I went to Paris last week.
        They lived in Lyon in 2013.
        The teacher explained the lesson three days ago.

Zusammenfassung der Ressource

	Erstellt von Alfredo Blanco vor etwa 7 Jahre