Present perfect (statement and negatives)
My mum’s gone shopping.
I’ve read some interesting stuff about South Africa.
I’ve heard that Mark’s gone to New york.
I haven’t been to New Zealand.
The present perfect is always connected with now.
Use it to talk about events and experiences in the past that are connected with the present or have a result in the present.
Present Perfect and past simple
Use the present perfect to talk about a general experience. Use the past simple to describe details of that experience in the past.
I’ve been to the States twice. The first time I stayer in San Francisco for a month. The second time my parents and I travelled round Florida in a camper.