I've been trying to do this forever now and I'm getting nowhere and its due very soon, can someone please help me. Cambia las siguientes oraciones del presente al pretérito.

Mis amigos tocan la guitarra y yo toco el piano.
Los estudiantes escuchan al profesor.
Mi mamá compra frutas y verduras para el almuerzo.
Tú caminas a la escuela todos los días.
Marisela y yo vamos de compras.

Change the following sentences from the present to the past tense.

My friends play the guitar and I play the piano.

Students listen to the teacher.

My mom buys fruits and vegetables for lunch.

You walk to school every day.

Explanation:

Mi mamá compró frutas y.

¿quieres ir a la escuela todos los días?.

los alumnos siempre escuchan al profesor.

Yo y mis amigos tocamos guitarra y piano.

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.