(2) Grammer

Question 1

아/어/여도 되다

Answer 1

This pattern is used to either ask or tell someone it is ok to do something

https://www.koreanwikiproject.com/wiki/%EC%95%84/%EC%96%B4%2B%EB%8F%84_%EB%90%98%EB%8B%A4

Question 2

았/었/였으면 좋겠다

Answer 2

This is used to express desire, hope, or wish. This is literally translated to ‘If (a/v) then it would be nice/good/great’ or ‘It would be great/nice if (A/V).’

https://www.koreanwikiproject.com/wiki/(%EC%9C%BC)%EB%A9%B4_%EC%A2%8B%EA%B2%A0%EB%8B%A4

Question 3

이/가 아니다

Answer 3

to not be

Question 4

아/어/여서

Answer 4

because

https://funkorean4u.com/2014/09/16/grammar-%EC%95%84%EC%96%B4%EC%97%AC%EC%84%9C-because-reasons/

Question 5

이에요/예요

Answer 5

is/is?

Question 6

아/어/여야 되다/하다

Answer 6

should, must, have to’ in English. You can also use 하다 instead of 되다, 하다 is a little bit formal than 되다.

https://funkorean4u.com/2016/07/20/grammar-%EC%95%84%EC%96%B4%EC%97%AC%EC%95%BC-%ED%95%98%EB%8B%A4%EB%90%98%EB%8B%A4/

Question 7

-(으)ㄴ 지 (time) 되다

Answer 7

since

https://sayhikorean.blogspot.com/2018/10/korean-grammar-v-time-expressions_68.html

Question 8

-(으)ㄴ 적이 있다

Answer 8

This pattern is equivalent to the phrase ‘to have ~ before’ and can also in the question form can mean ‘have you ever ~ ?’

https://www.koreanwikiproject.com/wiki/(%EC%9C%BC)%E3%84%B4%EC%A0%81%EC%9D%B4%EC%9E%88%EB%8B%A4