新しい自転車を買って

buy a new bicycle

→ 新しい
phrase Rare #29,418
buy a new bicycle The て-form of 買う, meaning “buy a new bicycle” when used on its own, and connecting to an auxiliary verb in these examples. 買ってやる means buying one for someone, while 買ってくれる means someone buys one as a favor for the speaker or someone close to the speaker.
JA: 私は妹に新しい自転車を買ってあげた。
EN: I bought my younger sister a new bicycle.

母は私に新しい自転車を買ってくれた

My mother bought me a new bicycle.

私の妹は父に新しい自転車を買ってくれるように頼みました

My younger sister asked our father to buy her a new bicycle.

父は私に新しい自転車を買ってくれました

My father bought me a new bicycle.