Explanation
Used to express doing something for someone; 'do something for someone'.
Formation
Verb-て form + あげる
Detailed explanation
The てあげる grammar point is used to express that the speaker or someone other than the listener is doing something for someone else. It shows that the action is being done as a favor or out of kindness. This grammar point is used with verbs in their て-form, followed by あげる.
Examples
Tomodachi ga tsukareteita kara, nimotsu o motte ageta.
Since my friend was tired, I carried their luggage for them.
Otouto wa shukudai ga wakaranakatta node, tetsudatte ageta.
My younger brother couldn't understand the homework, so I helped him.
Kanojo ga okuresou datta kara, eki made mukae ni itte ageta.
She was running late, so I went to pick her up at the station.
Inu wa nodo ga kawaita sou datta node, mizu o nomasete ageta.
The dog seemed thirsty, so I gave it water to drink.
Practice
Grammar content sourced from hanabira.org.