página 70 ER AND IR VERBS: PRINCIPLES AND ANALYSIS OBSERVATION ONE: As was seen with AR verbs, ER and IR verbs will drop their -ER and -IR endings before forming meaningful verb forms. OBSERVATION TWO: The only difference between ER and IR verbs occurs in the nosotros ("we")form. ( -emos and -imos). CROSS SECTIONAL ANALYSIS: Compare the following endings for each type of verb: AR ER IR yo o............o..............o tú as es............es él, ella, usted, el chico, la chica,etc. a e.............e nosotros, y yo, y nosotros amos emos imos ellos,ellas,ustedes, los chicos,las chicas,etc. an en............en ANALYSIS: 1. All forms end in o in the yo form. 2. All verb endings are different in the nosotros form. 3. ER and IR verb endings are the same in the rest of the forms. CONSIDER THESE EXAMPLES: cantar comer vivir canto como vivo cantas comes vives canta come vive cantamos comemos vivimos cantan comen viven THE FOLLOWING VERBS MUST BE MEMORIZED COMPLETELY: beber..................to drink insistir (en)...to insist (on) comer..................to eat decidir.........to decide comprender........to understand(deeply) partir..........to separate,depart,divide leer.....................to read vivir...........to live romper...............to break salir...........to leave (note below that temer................to fear this verb has an irregular "yo" form.) vender.................to sell salgo sales sale salimos salen LEARN THESE VERBS NOW AND REVIEW YOUR AR VERBS DAILY!