begoodfor后面加什么詞性

　　Bobby should be good for a few drinks.

　　博比喝上幾杯應(yīng)該是沒問題的。

　　Rain water was once considered to be good for the complexion.

　　雨水曾一度被認(rèn)為對膚色有益。

　　They argued all the time and thought it couldn't be good for the baby.

　　他們一直在爭論，認(rèn)為這不可能對孩子有好處。