1. 현 재
현재시제는 시간이 지나면 없어지는 그런 것이 아니라 그 상태가 계속 지속될 때 혹은 어느정도
일정하게 반복되는 경우에 쓰인다
1-1. He watches the nine o’clock news everyday.
1-2. The weather changes from day to day.
*시간,조건의 부사절에서는 미래를 쓰지 않고 현재를 쓴다.
when, before, while, as soon as, if
* when, if 는 부사절 뿐만 아니라 명사절로도 쓰일 수 있다!!
1-3. When she comes home, we will order pizza for dinner.
1-4. Do you know when he will be back?
1-5. I don’t know if he will come.
1-6. She will be angry if you’re late.
2. 과 거 - 과거시제는 현재하고는 아무 관련이 없다
2-1. I bought this magazine yesterday.
2-2. My brother graduated from college in 2015.
2-3. I reserved a room for three nights a week ago.
3. 현재완료 have (has) pp
과거에 시작된 일이 반드시 어떤 식으로든 현재에 영향을 줄 때 즉, 시작되는 시작점이 과거이고
종착지는 현재라는 곳
* 현재 완료에 쓰이는 for 와 since
3-1. We've known each other for 10 years.
3-2. I have lived in this apartment since 2012.
* have been to 와 have gone to
3-3. Have you ever been to a ballpark?
3-4. She has gone to a concert.
*과거와 현재완료의 차이
3-5. He lost his passport
3-6. He has lost his passport
4. 과거완료 had pp
When I came home, I found that I had left my umbrella at school.
과거완료 before 주어 과거동사
현재완료 since 주어 과거동사
4-1. He had never been abroad before he went to university.
4-2. The landscape of Mount Everest has changed significantly since he first conquered the peak in 1953.
5. 미래 와 미래완료
5-1. I think the economy will grow next year.
5-2. I will have studied English for five years by next year.
5-3. The train will have left already by then.
* by the time (~할 때 쯤) 문제 유형 빨리 찍는 방법
현재will have pp
5-4. By the time winter comes, all of the leaves will have fallen off the tree.
5-5. By the time we reached the ground, the game had begun.