현재완료2(The present perfect)

1. Just, aleady, yet; for 와 since.

     Just, aleady, yet 와 함께 현재완료를 쓸 수 있다.

     * Just 는 아주 짧은 시간전을 의미한다. --->  Suk-hee heard about the concert not long ago.

     * Already 는 예상한 것보다 더 빨리 의 의미임. ---> They sold the tickets very quickly.
 
     * Yet 은 무엇인가 발생할 것을 예상할 때. ---> Suk-hee expects that Min-su will buy a ticket.

     * Just 와 already는 과거완료 앞에 위치한다.

     * Yet 는 의문문이나 부정문에서 끝에 위치한다.

               다음 문장들을 참고해 보시오.

        We've just come back from our holiday.

        I've just had an idea.

        It isn't a very good party. Most people have already gone heme.

        My brother has already crashed his new car.

        It's eleven o'clock and you haven't finished breakfast yet ?

2. For 와 since
     
    For 와 since 와 함께 현재완료를 사용할 수 있다.

    Min-su has only had that camera for three days.

    Those people have been at the hotel since Friday.

    I've felt really tired for a whole week now.

    We've lived in Oxford since 1992.  Not: We live here since 1992

   * 시기가 얼마나 오래되었는가를 기술할 때는 for (for three day) 를 쓰고, 시작한 시기를 기술할 때는
      since (since Friday)를 사용한다.

      How long has Min-su had that camera?  ~ Since Thursday, I think.
 
      How long have Min-su and Suk-hee been married?    ~ Oh, for about three years.

   * 무언가가 일어날 일이 멈춰졌을 때 for 와 since 와 함께 현재완료를 사용할 수 있다.

      I haven't seen Min-su for ages.    He hasn't visited us since July.