Alguien me ayude de verbos a oraciones no entiendo?

We were in the parkwe weren`t in the park were we in the park¿i did the homework i didn`t do the homeworkdid i do the homework¿i was swimming i wasn`t swimming was i swimming¿i had been here for 2 hours i hadn`t been here over 2 hours had you been here for 2 hours¿i had been living for few weeks in dubaii hadn`t been living in dubaihad i been living in dubai¿.