是

是 (shì) currently has the following grammatical points associated with it:

• Connecting nouns with "shi" (A1)
• Offering choices with "haishi" (A1)
• Tag questions with "bu" (A1)
• Tag questions with "ma" (A1)
• Alternative existential sentences (B1)
• Comparing "haishi" and "huozhe" (B1)
• Conceding a point with "shi" (B1)
• Expressing "always" with "conglai" (B1)
• Expressing "had better" with "haishi" (B1)
• The "shi... de" construction for emphasizing details (B1)
• The "shi... de" construction for indicating purpose (B1)
• The "shi... de" patterns: an overview (B1)
• Using "always" as a complaint with "laoshi" (B1)
• Expressing "and then" with "yushi" (B2)
• Expressing "even if…" with "jiushi" (B2)
• Expressing the only two possibilities (B2)
• Saying "a lot" with "youdeshi" (B2)
• Stating the effect before the cause (B2)
• "Could it be that" with "qibushi" (C1)
• Expressing "is or is not" with "shifou" (C1)
• Expressing "to be worthy of" with "bukuishi" (C1)

Not what you're looking for? Check the wiki page for shi or search for 是