以后 + Subject + Predicate
以后 can introduce a clause about future intentions or plans, functioning as a sentence connector meaning "from now on" or "later on." In this usage it sets a forward-looking time frame for the entire statement that follows. It is extremely common in everyday conversation.
毕业以后,你打算做什么?
Bìyè yǐhòu, nǐ dǎsuàn zuò shénme?
After graduation, what do you plan to do?
吃完饭以后,我们去散散步吧。
Chī wán fàn yǐhòu, wǒmen qù sàn san bù ba.
After we finish eating, let's go for a walk.
下班以后我一般去健身房锻炼。
Xiàbān yǐhòu wǒ yìbān qù jiànshēnfáng duànliàn.
After work, I usually go to the gym to exercise.