can backcheck
Verbe régulier : backcheck - backchecked- backchecked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I can backcheck
you can backcheck
she can backcheck
we can backcheck
you can backcheck
they can backcheck 	I can be backchecking
you can be backchecking
she can be backchecking
we can be backchecking
you can be backchecking
they can be backchecking	I can have backchecked
you can have backchecked
she can have backchecked
we can have backchecked
you can have backchecked
they can have backchecked	I can have been backchecking
you can have been backchecking
she can have been backchecking
we can have been backchecking
you can have been backchecking
they can have been backchecking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I cannot backcheck
you cannot backcheck
she cannot backcheck
we cannot backcheck
you cannot backcheck
they cannot backcheck 	I cannot be backchecking
you cannot be backchecking
she cannot be backchecking
we cannot be backchecking
you cannot be backchecking
they cannot be backchecking	I cannot have backchecked
you cannot have backchecked
she cannot have backchecked
we cannot have backchecked
you cannot have backchecked
they cannot have backchecked	I cannot have been backchecking
you cannot have been backchecking
she cannot have been backchecking
we cannot have been backchecking
you cannot have been backchecking
they cannot have been backchecking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I backcheck?
can you backcheck?
can she backcheck?
can we backcheck?
can you backcheck?
can they backcheck? 	can I be backchecking?
can you be backchecking?
can she be backchecking?
can we be backchecking?
can you be backchecking?
can they be backchecking? 	can I have backchecked?
can you have backchecked?
can she have backchecked?
can we have backchecked?
can you have backchecked?
can they have backchecked? 	can I have been backchecking?
can you have been backchecking?
can she have been backchecking?
can we have been backchecking?
can you have been backchecking?
can they have been backchecking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
can I not backcheck?
can you not backcheck?
can she not backcheck?
can we not backcheck?
can you not backcheck?
can they not backcheck? 	can I not be backchecking?
can you not be backchecking?
can she not be backchecking?
can we not be backchecking?
can you not be backchecking?
can they not be backchecking? 	can I not have backchecked?
can you not have backchecked?
can she not have backchecked?
can we not have backchecked?
can you not have backchecked?
can they not have backchecked? 	can I not have been backchecking?
can you not have been backchecking?
can she not have been backchecking?
can we not have been backchecking?
can you not have been backchecking?
can they not have been backchecking?