Firstly, ＂得＂should be attached to a verb . It's a pattern as "verb. + 得 + adj." e.g. 跑得快，叫得响 So if you want to follow your "subject+ verb" pattern to correct the sentence it should be "他说汉语说得真好＂ However it would be more concise to delete the first verb ."说" , as ＂他汉语说得真好＂。