yo asisto a la escuela
i attend school
tu debes abrir la puerta por favor
can you open the door please.
For your information, conjugation is the adaptation of ir/er verbs in Spanish (the to -- verbs such). They change the origional verb to suit who is performing it.
For example
comer- to eat
yo como- i eat
tu comes- you eat
el/ella come- he/she eats
