He would drown his sadness in coffee.(主格作主语) 他会借咖啡来浇愁。 Thank you for your letter.(宾格作及物动词的宾语) 谢谢你的来信。 I bought a present for him.(宾格作介词宾语) 我给他买了件礼物。 Hi,it’s me.(宾格作表语)你好,是我。 温馨提示　①在It is/was...that/who...强调句型中,若被强调部分作主语,虽然跟在is/was后,但仍用主格形式。 It’s I who did it. 这件事是我做的。