-cer -cir irregular verbs
Other verbs with irregular forms in the first person ◆ Verbs that end in a vowel followed by -cer and -cir change c to zc in the first person singular only. They are conjugated like "conocer". Example: Conozco muy bien a Margo. -> I know Margo very well. -er VERBS LIKE conocer agradecer - to [...]