过

过 (guò) currently has the following grammatical points associated with it:

• Expressing experiences with "guo" (A2)
• Using "guo" with "le" (A2)
• A softer "but" with "buguo" (B1)
• Expressing "once" with "cengjing" (B2)
• Expressing "nothing is more...than" with "moguoyu" (C1)

Not what you're looking for? Check the wiki page for guo or search for 过