4級夕方
1日の時間帯と挨拶
morning (6-12 AM) → Good morning!, noon (12 PM) = 正午, afternoon (12-6 PM) → Good afternoon!, evening (6-10 PM) → Good evening!, night (10 PM-) → Good night! (就寝時)。重要!前置詞
morning / afternoon / evening → in the ~ だが、at night (at だけ夜は特殊)。