<Grammatical Point>

시제(12가지의 시제)          

                  과거     현재      미래

               과거진행  현재진행  미래진행

               was+ing   (is, am, are)+ing  will+be+ing

  과거완료진행(had+been+ing)

   =과거완료(had+p.p)+과거진행(was+ing)

  현재완료진행=have+been+ing

   =현재완료+현재진행(have+p.p)+(is, am, are)+ing

  미래완료진행=will+have+been+ing

   =미래완료+미래진행(will+have+p.p)+(will+be+ing)

 1. 현재형－He writes a novel.

 2. 과거형－He wrote a novel.

 3. 미래형－He will write a novel.

 4. 현재진행형－he is writing a novel.

 5. 과거진행형－He was writing a novel.

 6. 미래진행형－He will be writing a novel.

 7. 현재완료형－He has written a novel.

 8. 과거완료형－He had written a novel.

 9. 미래완료형－He will have written a novel.

10. 현재완료진행형－He has been writing a novel.

11. 과거완료진행형－He had been writing a novel.

12. 미래완료 진행형－He will have been writing a novel.