Present Perfect

Present Perfect

1) USES:
- Past actions at an unspecified time---> Peter has gone to the cinema

- Past actions with present result---> Susan has caught a cold so she is in bed.

- Duration from past until now ---> We have been friends for years

- Actions just finished --->  Paul has just finished the exam

2) FORM:
- Affirmative: have/has + past participle*
- Negative: haven't/hasn't + past participle
- Interrogative: have/has + subject + past participle

* Past Participle formation: Regular verbs add -ed to form the past participle and irregular verbs have different forms so you must study your list of irregular verbs.
Examples: 
regular verb: I work - I have worked ;
irregular verb: I go - I have gone

3) TIME EXPRESSIONS:
- Already: Peter has already finished the exam
- Ever: Have you ever been to London?
- Never: I have never been to Italy.
- Just: They have just made the cake.
- Yet: I haven't finished the exam yet.
- For: I have studied for 2 hours.
- Since: I have studied here since 2004.
- How long...?: How long have you studied here?

Present perfect from Carolina Roa

4) ACTIVITIES:
- Grammar and exercises (ego4u)
- Games: The Euro, Uses, Past Simple or Present Perfect
- Statements, Negation, Questions, Since or For, Review, Test (englishhilfen)
- Video
- Karaoke (We are the Champions by Queen)