can err
Verbe régulier : err - erred- erred
Traduction française : se tromper - pécher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can err
you can err
she can err
we can err
you can err
they can err 	I can be erring
you can be erring
she can be erring
we can be erring
you can be erring
they can be erring	I can have erred
you can have erred
she can have erred
we can have erred
you can have erred
they can have erred	I can have been erring
you can have been erring
she can have been erring
we can have been erring
you can have been erring
they can have been erring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot err
you cannot err
she cannot err
we cannot err
you cannot err
they cannot err 	I cannot be erring
you cannot be erring
she cannot be erring
we cannot be erring
you cannot be erring
they cannot be erring	I cannot have erred
you cannot have erred
she cannot have erred
we cannot have erred
you cannot have erred
they cannot have erred	I cannot have been erring
you cannot have been erring
she cannot have been erring
we cannot have been erring
you cannot have been erring
they cannot have been erring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I err?
can you err?
can she err?
can we err?
can you err?
can they err? 	can I be erring?
can you be erring?
can she be erring?
can we be erring?
can you be erring?
can they be erring? 	can I have erred?
can you have erred?
can she have erred?
can we have erred?
can you have erred?
can they have erred? 	can I have been erring?
can you have been erring?
can she have been erring?
can we have been erring?
can you have been erring?
can they have been erring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not err?
can you not err?
can she not err?
can we not err?
can you not err?
can they not err? 	can I not be erring?
can you not be erring?
can she not be erring?
can we not be erring?
can you not be erring?
can they not be erring? 	can I not have erred?
can you not have erred?
can she not have erred?
can we not have erred?
can you not have erred?
can they not have erred? 	can I not have been erring?
can you not have been erring?
can she not have been erring?
can we not have been erring?
can you not have been erring?
can they not have been erring?