As shown in the figure (1), please write down the coordinates of the house in the rectangular coordinate system: a, b, c, d, e, f and g. (2) Xiaoying wants to move the house down by 3 units.

( 1)A(2，3)，B(6，5)，C( 10，3)，D(3，3)，E(9，3)，F(3，0)，G(9，0)；

(2)A′(2，0)，B′(6，2)，C′( 10，0)，D′(3，0)，E′(9，0)，F′(3，-3)，G′(9，-3)，

Figure "ellipsis"