N4 grammar
〜てあげる
teageru
Doing it for someone
Formationて form + あげる
てあげる says you did something for somebody else's benefit. Because it puts you in the position of the giver, offering it directly can sound like you want credit. It is safest about third parties and among friends.
Examples
〜てあげる is marked in each sentence. Tap any word for its dictionary entry.
ボーイフレンドに何を買ってあげましたか。
What did you buy for your boyfriend?
そしたら横転したの手伝ってやっからよ。
Then I'll help you overturn the wagon.
さんざん小言をいってやる。
I give a good scolding.
トランプ占いをしてあげましょう。
Let me tell you your fortune with cards.
母にそれらを選んであげよう。
I will choose them for my mother.