Simple Past Tense

1) I walked to school yesterday and it was tiring. 2) My mum carried a big wooden box and now she hurts. 3) The kids explained to me but I didn’t understand. 4) The children played in the yard with their new ball. 5) My parents traveled to Greece last year. They loved the Acropolis! 6) Did you water the daisies last night? They needed water.