A. Past Simple: How and Why?
We use the Past Simple ...
- for Events and actions started in the past that are finished already
- for Events and actions in the past that have no connection to present circumstances
- in combination with finished time words, such as : yesterday, last week, two days ago, in 2015
Examples : I saw that new film last week.
Susie had a very bad cold last month.
He bought lots of tissues for her.