Here's a breakdown:
* Present tense: sedeō, sedēs, sedet, sedēmus, sedētis, sedent
* Imperfect tense: sedebam, sedēbas, sedebat, sedēbāmus, sedēbātis, sedēbant
* Perfect tense: sēdī, sēdīstī, sēdit, sēdīmus, sēdīstīs, sēdērunt
* Future tense: sedēbo, sedēbis, sedēbit, sedēbimus, sedēbitis, sedēbunt
Examples:
* Sedit in cathedra. (He sat on the chair.)
* Sedeō hic. (I sit here.)
* Sedēmus ad mensam. (We sit at the table.)