一、会话中,在be后作表语用宾格不用主格。
如:—Who is it?—It’s me / him. — 谁?—是我/他呀。

二、在单独使用或带not的简略回答中用宾格不用主格。
如:—Who wants a ride on my bike?—Me! (Not me!)——谁想骑我的自行车?—我!(不是我!) —I like swimming. —Me too. —我喜欢游泳。—我也是。三、在感叹疑问句中做主语,以引起强调。如:—You can tell him. —Me tell him? Not likely!—你可以告诉他。—我告诉他?不可能!

—Susan, go and join your sister cleaning the yard.
—Why ________ ? John is sitting there doing nothing. (全国卷)
A. him
B. he
C. I                       
D. me

【分析】答案选D。四、在as或than后,若没带有动词时,多用宾格。如:I am as tall as him. 我和他一样高。I am taller than her. 我比他高。五、在下列之类的祈使句中。如:He’s got to repay the money—poor him. 他得偿还这笔钱——可怜的他呀!