Let's learn about "날씨 좋다"

날씨(가) 좋다 : The weather is good

ex) 아! 날씨 좋다! : What a wonderful weather!

[other expressions]

- 날씨 좋다. (to younger people or friends)

- 날씨 좋네. (to younger people or friends)

- 날씨 좋아. (to younger people or friends)

- 날씨 좋군! (to younger people or friends)

- 날씨 좋구나! (to younger people or friends)

- 날씨 좋네요. (honourific by '요')

- 날씨 좋아요. (honourific by '요')

- 날씨 좋군요! (honourific by '요')

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

[explanations]

* 날씨 : weather

* -가 : a particle makes 날씨 the topic of the sentence after a word ends in a vowel like "-씨"; this omitted

* 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 + -군! / -구나! : a non-honourific exclamatory verb ending suffix

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

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