could - ํ ์๋ ์๋ค, ๊ฐ๋ฅ์ฑ(๊ธ์ ), ๋ถ๊ฐ๋ฅํ๋ค(๋ถ์ )
would- ~ํ๋๋ผ๋ฉด , ํํ(๊ธ์ ), ๋ค๋ฅธ๊ฒฐ๊ณผ(๋ถ์ , ์๋๋ผ๋ฉด ๋ชปํ์๊ฑฐ์ผ)
should ~ํ์ด์ผํ๋๋ฐ, ํํ๋ฏธ์ํจ(๊ธ/๋ถ)
*could have pp - -ํ ์๋ ์์์ ํ ๋ฐ
I could've been your gf. ๋ด๊ฐ ๋์ ์ฌ์์น๊ตฌ์ผ ์๋ ์์์ ํ ๋ฐ
* couldn't have pp - ํ์๋ฆฌ๊ฐ ์๋ค/ํ ์๊ฐ ์์๋ค
We couldn't have won without him.
I couldn't have said it better myself.
๋ ๊ทธ๊ฒ๋ณด๋ค ๋ฉ์ง๊ฒ ๋งํ ์์์์๊ฑฐ์ผ ( ๋น์ ์ด ์๋ฒฝํ๊ฒ ๋งํ๋ค๋ ์๋ฏธ)
*should have pp : -ํ์ด์ผ ํ๋๋ฐ (ํ์ง์์๋ค๋ ์๋ฏธ) - ํํ์ ์๋ฏธ
You should have seen his face ? It;s hilarioius. ๋ค๊ฐ ๊ฑ ์ผ๊ตด์ ๋ดค์ด์ผํ๋๋ฐ ์ผ๋ง๋ ์๊ฒผ๋ค๊ณ
I am so sorry, I shouldn't have said that. ๊ทธ๋ง์ ํ์ง ๋ง์์ด์ผ ํ๋๋ฐ
*would have pp -ํ๋๋ผ๋ฉด -ํ์ํ ๋ฐ
If she wanted to be a teacher, she would have made an excellent teacher,.
*might havepp : -ํ์์ง๋ ๋ชจ๋ฅธ๋ค. (๋ ๋๋ ค๋๋ ค๋๋ ค ๋งํ๋ ํํ)
He might have had an accident.
*must have pp ~ํ์์ ํ๋ฆผ์๋ค.
๋ณดํต, ๊ธ์ ์กฐ๋์ฌ + have pp : ํํ์ ์๋ฏธ - -ํด์ผ ํ๋๋ฐ , -์ผ ์์์๋๋ฐ
๋ถ์ ์กฐ๋์ฌ + havepp : ํ์ค ๋ถ์ -์ผ๋ฆฌ ์์ด,-ํ์๋ฆฌ ์์ด