What is it?

The Present Perfect is used to refer to events that happened at some point in the past with a reference point to the present, eg: she has bought her ticket (and now she is on her way to spain).

The Rules

Infinitive	Present	Past	Present Perfect
at bo	bor	boede	har boet	has lived	gramto live somewhere, e.g. 'I live in a house'
at leve	lever	levede	har levet	has lived	gramto be alive
at spise	spiser	spiste	har spist	has eaten
at have	har	havde	har haft	has had
at hedde	hedder	hed	har heddet	has been called	gramno direct equivalent verb in English
at sove	sover	sov	har sovet	has slept
at være	er	var	har været	has been

Examples

			Jeg har boet her i et år	I have lived here one year
			Jeg har levet på vand og brød	I have been living on water and bread	[lit: i have lived on water and bread]
[lit: i have lived on water and bread]
			Jeg har spist et æble	I have eaten an apple
			Jeg har sovet godt	I have slept well