作ってあげましょう

I'll make … for you

→ 作る

phrase Rare #21,030

I'll make … for you あげる shows that the action is done for someone else's benefit. 作ってあげましょう is a polite, offer-like form.

JA: 君にケーキを作ってあげましょう。

EN: I'll make a cake for you.