Expressing "before" in general with "yiqian"
To talk about things in the past "in general", you can use the word 以前 (yǐqián). The structure is:
以前 + Subject + Verb + Object
You can use this structure to talk about actions that happened at some unspecified time in the past.
- 以前，我 不 会 中文。
- 以前，我 不 喝 啤酒。
- 以前，我 不 高兴。