수다닷컴

___________________________________________________________________________________________________________
* 질문 내용에 적절한 질문 제목을 써 주세요.
* 답변을 얻은 뒤 반드시 감사의 덧글을 남기고, 좋은 답변은 채택해 주시는 센스...
* 질문할 때 예의를 지키시기 바랍니다.(빨리... 고수분만..... 이런 식의 요구는 자제 바랍니다.)
____________________________________________________________________________________________________________
질문 내용 : John Lennon startedhis first band when he was 15. His eldest son, Julian, has been in the music business since he was 19.

He has maden seven albums so far. His last album, Conscious, came out in 2008.
----------------------------------------------------------------------

John F. Kennedy became President of the United States in 1960 and was assassinated in Dallas, Texas, in 1963.
His niece, Maria Shriver, has worked as a TV journalist since the 1980s and wrote six books.
In 1986 she married the actor Arnold Schwarzenegger, who became governor of California in 2003.
빨간색 글씨가

과거형으로 쓰인 것은 왜 현재완료로 안 쓰였고현재완료로 쓰인 것은 왜 과거로는 안 쓰고 현재완료로 쓰였는지를 알려주세요 ㅠㅠㅠ

신청하기