Some stem changing verbs

The verbs you should know for your first spanish 3 quiz that are tricky with conjugations

cerrar (e →ie )

to close

empezar ( e → ie )

to begin, start

encender ( e → ie )

to turn on

mentir ( e → ie )

to lie

oler (huelo, hueles, huele, olemos…)

to smell

sonar ( o → ue )

to sound, to ring

soñar ( o → ue )

to dream