Let's learn about "김치는 좋아요"

* 김치는 좋아요 : Kimchi is good (because it's healthy and prevents cancers and many diseases)

* 김치(를) 좋아해요 : I like Kimchi (because I love spicy and fresh food

[other expressions]

- 김치는 좋다. (to younger people or friends)

- 김치는 좋네. (to younger people or friends)

- 김치는 좋아. (to younger people or friends)

- 김치는 좋네요. (honourific by '요')

- 김치는 좋아요. (honourific by '요')

- 김치는 좋습니다. (formal; more honourific by '스')

[explanations]

* 김치 : Korean Traditional Vegetable Fermented Food 

* -는 : a particle makes 김치 subjective after a word ends in a vowel

* 좋은 : good

* 좋다 : be good

* 좋습니다 : 좋(the stem of 좋다) + 스(a suffix makes a verb honourific) + -ㅂ니다(an honourific descriptive verb ending suffix)

* a verb + -다 / -네 / -아 : a non-honourific descriptive verb ending suffix

* a verb + -네 / -아 + -요 : an honourific verb ending suffix

* a verb +  -습니다 / -ㅂ니다 : an honourific descriptive verb ending suffix by '스-' / '-ㅂ'