PRETERITE TENSE IMPERFECT TENSE
AR ER/IR AR ER/IR é amos í imos aba ábamos ía íamos aste X iste X abas X ías X ó aron ío ieron aba aban ía ían Preterite Irregular Groups Imperfect Irregulars Ser/Ir Ser Dar/Ver era éramos eras X Stem Changing (dormir,servir,sentir,etc.) era eran stem vowell changes at the bottom of chart Irregular Stem/Irregular ending (hacer,tener,poder,etc) use special stem plus special ending Ir (e,iste,o,imos,ieron) iba íbamos Orthographic(Spelling change)(buscar(qu), ibas X empezar(c),etc.) iba iban Leer/Caer group(i changes to y in Ver 3rd person forms) veía veíamos veías X veía veían FUTURE TENSE ENDINGS (Use whole verb infinitive as stem) é emos ás X á án Irregular Groups Group I Group II (Drop vowell from infinitive (Drop vowell and C from infinitive Ending--caber-cabr,haber-habr, ending--hacer-har, decir-dir) saber-sabr,poder-podr, querer-querr) Group III (Drop vowell and insert D in infinitive ending-- poner-pond,tener-tendr,venir-vendr,salir-saldr)