Because

Question 1

Because I was sick (-서)

Answer 1

아파서

Question 2

I didn’t go because I was sick

Answer 2

아파서 안가요

Question 3

Because I studied hard

Answer 3

공부 열심히 해서

Question 4

Because I am sick (기 때문이야)

Answer 4

아프기 때문이야

Question 5

Because I was sick

Answer 5

아팠기 때문이야

Question 6

Because I study hard (기 때문이야)

Answer 6

공부 열심히 하기 때문이야

Question 7

Cuz I didn’t study (기 때문이야)

Answer 7

안 공부했기 때문이에요

Question 8

Because I’m tired (서)

Answer 8

피곤해서

Question 9

Because I was tired (기 때문이야)

Answer 9

피곤했기 때문이에요

Question 10

I couldn’t go because I was tired (서)

Answer 10

피곤해서 안갔어요

Question 11

Bei 서 wird die base stem zu presence

Und bei 기 때문이야 bleibt der base stem wenn man von presence spricht

Bei Vergangenheit wird die base stem auch Vergangenheit wie das endverb

Answer 11

Yes

Question 12

Because I’m a woman

Answer 12

저는 여자여서요 /라서요

Question 13

Because I’m a idiot

Answer 13

저는 바보여서요 / 라서요

Question 14

Because I’m a student

Answer 14

저는 학생이어서요 /이라서요

Question 15

Because it’s my friends birthday

Answer 15

친구 생일이어서요 /이라서요

Question 16

제 생일이어서요 / 이라서요

Answer 16

네 👍🏽

Question 17

Bei nouns with patchim und (있다) kann man normal auch 이(ㅆ다)라 sagen also 이라 ohne 서

내일이 시험이라 공부해요 Beispiel

Tmr isexam that’s why I have to study

Question 18

Bei nouns mit patchim und 있다 kann man normal 이라 sagen ohne 서

내일이 시험이라 공부해요

Tmr is Exam that’s why I have to study

Question 19

Nur bei nouns die “ist” haben (to be/ is/ are) 이라 !

주말이라 수업이 없어요

It’sweekend that’s why I have no class

Question 20

Bei nouns ohne patchim und 있다 dann nur -라

한국어는 외국어라 어려워요

Korean is a foreign language that’s why it’s hard