bentojapanese.com/learn/grammar/te-ageru-how-to-say-do-something-for-someone-in-japanese-grammar
Guide to using ～てあげる to express doing something for someone in Japanese, with examples, cultural notes on politeness levels, and the formal variant ～てさしあげる.
GrammarVerb conjugationTe-formHiraganaKatakanaFreeCultureFor childrenKeigo and politeness