The form of present perfect is S+ Have/ Has+ the past participle.
(I/ we/ they/ you: have , she/ he: has)
The past participle often ends in –ed (opened, washed) but many important verb are irregular (lost, written)
Example:
- Ana has lost his key. ( it means that he lost it a short time ago and he still hasn’t got it)
- I have seen that movie.
The present perfect is often used with the word just to show that an action was completed in the very recent past.
- They have just arrived.(only a very short time before now)
- They have just finished dinner.
The present perfect is also used to show that an action began in the past and has continued up to the present.
- We have studied English for three years.
- I have known her since 2003. (I first met her in 2003; I still know her)
Certain adverbial time expression: for and since
- I have lived in
- I have known her since 2003. (I know her)
Other such expression include: now, so far, many times, often, frequently, already, during, never, etc.
- We have already sent the books to her
- Have you passed the examination yet?
- The telephone has rung twice during the past half hour.
Tidak ada komentar:
Posting Komentar