1）be

good at 意为“擅长……”，后接名词、

代词或ving形式。例如：I’m

good at

playing chess.我擅长下象棋。

2）be

good with意为“与……相处得好”。

例如 He is

very good with the children.

他与这些孩子处得很好。

3）be

good to意为“对……友好”例如：

My

friend was good to me when I was ill.

我生病时我的朋友对我关怀备至。

4）be

good for意为

“对……有好处”。

例如：Eating

more vegetables is good for your health.

多吃蔬菜对你的健康有好处。