going to someones for dinner etc

Question 1

thank you for inviting me (to a friend)

Answer 1

초대해 줘서 고마워

Question 2

excuse me (when u enter someones house who is older)

Answer 2

실례 함니다

Question 3

enjoy your meal (person who cooked or in work situation)

Answer 3

맛있게드세요

Question 4

enjoy your meal (before eating person being served)

Answer 4

잘막겠슴니다

Question 5

i had a good meal

Answer 5

잘 먹었습니다

Question 6

thank you for inviting me (formal)

Answer 6

초대해 주셔서 감사함니다