I brush my teeth.
I brushed my teeth yesterday.
She does her homework.
She did her homework 3 hours ago.
He goes for a walk.
He went for a walk 30 minutes ago.
I brush my teeth.
I brushed my teeth yesterday.
She does her homework.
She did her homework 3 hours ago.
He goes for a walk.
He went for a walk 30 minutes ago.