The verbs ir (to go), ver (to see), and ser (to be) are completely irregular in the imperfect tense. Note that the forms of the verbs ir (Table ) and ser (Table ) show the complete imperfect conjugation, not just an ending.
Is Leer irregular?
Leer is the Spanish verb for “to read”. It is an irregular verb.
What is Ver in English?
see in, to Verb (sees in; saw in; seeing in)