15 oraciones simple past form?

I went to visit my grandparents

Juan did his work clear

Esteban washed his car

My mother opened her own beauty shop

Our nephew graduated last year

You didn't go home this vacation

He didn't undertand his assinaments

We didn't make the cake

they didn't keep their promises

Did you enjoy it?

Did she have a nice day?

Did you fall in love with?

Did he run this morning?

Did the wheater clear or foggy?