用(よう) youが gaあります arimasuので node先(さき) sakiに ni行(い)っ()て() itteください kudasai。 I have things to do, so please go on ahead. Literal Business [subject-が] exists-[because-ので] ahead go-please. 用がある ('have business / have things to do') is a core everyday phrase. ので gives the reason. 先に行く ('go ahead') is a fixed expression — 先 ('ahead/first'), ~てください completes the polite request. favorsrequestsdaily life~ので (because)existence (ある/いる)~てください (polite request)
用(よう) youが gaあります arimasuので node先(さき) sakiに ni行(い)っ()て() itteください kudasai。 I have things to do, so please go on ahead. Literal Business [subject-が] exists-[because-ので] ahead go-please. 用がある ('have business / have things to do') is a core everyday phrase. ので gives the reason. 先に行く ('go ahead') is a fixed expression — 先 ('ahead/first'), ~てください completes the polite request. favorsrequestsdaily life~ので (because)existence (ある/いる)~てください (polite request)