fir tree

I put up decorations.

私は飾りを付けます

I put up decorations with my younger sister.

私は妹と飾りを付けます

I put up decorations with my younger sister the day before Christmas.

私は妹とクリスマスの前日に飾りを付けます

I put up decorations in the living room with my younger sister the day before Christmas.

私は妹とクリスマスの前日に居間で飾りを付けます

I put decorations on the fresh green fir tree in the living room with my younger sister the day before Christmas.

私は妹とクリスマスの前日に居間で青々としたモミに飾りを付けます