She has lived.
She lived.
The rain has stopped.
The rain stopped.
Mary has bought.
I bought.
The wind has blown.
The weather has changed.
The wind changed.
We travelled.
He has travelled.
I have seen.
She saw.
Alex met.
I have just met.
The children have already decided.
They decided.
I haven’t seen, I saw, you didn’t see, I was.