10 Example of simple past , was / were

1- I was in the desert last weekend.
2- Jaber and salem were at hom yesterday.
3- Ahmed was in Saudi Arabic last week.
4- My parents were in London to weeks ago.
5- My friends were at city center yesterday.
6- I wasn't in the desert last weekend.
7- Jaber and salem weren't at hom yesterday.
8-Ahmed wasn't in saudi Arabic last week.
9- My parents weren't in London to weeks ago.
10- My friends weren't in city center yesterday