The particle "を" is used to indicate the object of an action. This object is usually a noun or a noun phrase.りんごを食べます。
名詞1や名詞2など名詞1, 名詞2, etc.N5
"Ya" is used when listing nouns incompletely, and it has a meaning similar to "nado" or "etc." rather than "to." "Nado" is used to emphasize that the list is not complete.教室に いすや つくえ など があります。
Noun 1 + wa + Noun 2 + ni + arimasu → Noun 1 wa Noun 2 ni arimasu → Noun 1 wa Noun 2 ni arimasuN5
"に" is used to indicate the location of the target. "Arimasu" is used to express the existence of inanimate objects.本は つくえの 上に あります。
Remove the "い" from an i-adjective and add "く" + しますN5
"‘Ku shimasu’ is used to express a change in the state or quality of something."部屋を きれいに します。
