1.Present Perfect Rules and explanations

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PRESENT PERFECT - RULES AND EXPLANATIONS
	
	
	
	Present Perfect Tense - English Grammar
 
Present Perfect
 
have/has + Past Participle (3rd form)
 
Use -  Present Perfect
 
The Present Perfect tense: Something started in the past and continues in the present.
 
Present Perfect examples:
I have  finished my work.
He has talked to his brother.
We have worked in London since 2010.
 
-Present Perfect: Something has just happened.
 
He has just had an accident.
I have just finished my work.
 
-Present Perfect: Something happend in the past and is important for the present.
 
Tom has los his keys. He can't start his car.
 
Present Perfect - Signal Words
 
Signalwords are: already, ever, for, just, never, not...yet, recently, since, so far,this morning (afternoon...), till now, up to now, yet.
 
Examples Present Perfect Signal words
I have just eaten oranges.
We have already done our homework.
He has lived in London since 2011. 
 
Present Perfect Questions
 
'have/has'  + Subject + Past Participle
 
Examples Present Perfect Questions:
 
I have eaten oranges. Have I eaten oranges?
We have already done our homework. Have we already done our homework?
He has lived in London since 2011. Has he lived in London since 2011?
 
Present Perfect negative
 
have/has  + not + Past Participle
 
Examples Present Perfect Negative:
 
I have eaten oranges.  I haven't eaten oranges.
He has lived in London since 2011. He hasn't lived in London since 2011.
 
Das Present Perfect von 'to be'
 
bejaht
verneint
Langform
short form
I
You
He/She
We
You
They
have been
have been
has been
have been
have been
have been
have not been
have not been
has not been
have not been
have not been
have not been
haven't been
haven't been
hasn't been
haven't been
haven't been
haven't been