Subject 的 + 公公
公公 (gōnggong) refers specifically to the father of one's husband, i.e., one's father-in-law on the husband's side. Chinese kinship terms are more specific than English ones, distinguishing between paternal and maternal relatives. This term is used in informal and family contexts.
我公公退休以后每天早上去公园打太极。
wǒ gōnggong tuìxiū yǐhòu měi tiān zǎoshang qù gōngyuán dǎ tàijí.
After my father-in-law retired, he goes to the park every morning to do tai chi.
她公公对她特别好,把她当亲生女儿一样。
tā gōnggong duì tā tèbié hǎo, bǎ tā dāng qīnshēng nǚ'ér yīyàng.
Her father-in-law treats her especially well, like his own daughter.
过年的时候我们要去公公家吃团圆饭。
guònián de shíhòu wǒmen yào qù gōnggong jiā chī tuányuánfàn.
During Chinese New Year, we go to our father-in-law's house for a reunion dinner.