• You use the present perfect (not the past simple or the present simple) to talk about an action that began in the past but is still going on now. this is means that there is always a connection with now. The action in the past has a result now, example:
I can’t find my hat. Have you seen it? (do you know where it is now?)
To know more, please check The present perfect tense, definition, rules and uses lesson before answering the following Quiz.