Home A1 L15: Adverbs & TO KNOW & Time Expressions LevelA1 L15: Adverbs & TO KNOW & Time Expressions 09/10/2015 FacebookTelegramWhatsAppViberTwitterLinkedinEmailPrint Learn the difference between adjectives and adverbs, how to say you know something in Czech, ordinal numbers, and some time expressions in Czech (days, parts of a day, dates).