Past Simple
used for statements with finished time, something in the past like , last week, yesterday
Present Perfect
- used for statement with unfinished time, something that has not ended yet like this week, today
- It has a helping verb ( have/has ) that is usually contracted because it’s not the main verb e.g. I’ve.
- When a statement is negative then ‘not’ is contracted e.g. I haven’t
e.g.