can backorder
Regular verb: backorder - backordered- backordered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can backorder
you can backorder
she can backorder
we can backorder
you can backorder
they can backorder 	I can be backordering
you can be backordering
she can be backordering
we can be backordering
you can be backordering
they can be backordering	I can have backordered
you can have backordered
she can have backordered
we can have backordered
you can have backordered
they can have backordered	I can have been backordering
you can have been backordering
she can have been backordering
we can have been backordering
you can have been backordering
they can have been backordering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot backorder
you cannot backorder
she cannot backorder
we cannot backorder
you cannot backorder
they cannot backorder 	I cannot be backordering
you cannot be backordering
she cannot be backordering
we cannot be backordering
you cannot be backordering
they cannot be backordering	I cannot have backordered
you cannot have backordered
she cannot have backordered
we cannot have backordered
you cannot have backordered
they cannot have backordered	I cannot have been backordering
you cannot have been backordering
she cannot have been backordering
we cannot have been backordering
you cannot have been backordering
they cannot have been backordering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I backorder?
can you backorder?
can she backorder?
can we backorder?
can you backorder?
can they backorder? 	can I be backordering?
can you be backordering?
can she be backordering?
can we be backordering?
can you be backordering?
can they be backordering? 	can I have backordered?
can you have backordered?
can she have backordered?
can we have backordered?
can you have backordered?
can they have backordered? 	can I have been backordering?
can you have been backordering?
can she have been backordering?
can we have been backordering?
can you have been backordering?
can they have been backordering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not backorder?
can you not backorder?
can she not backorder?
can we not backorder?
can you not backorder?
can they not backorder? 	can I not be backordering?
can you not be backordering?
can she not be backordering?
can we not be backordering?
can you not be backordering?
can they not be backordering? 	can I not have backordered?
can you not have backordered?
can she not have backordered?
can we not have backordered?
can you not have backordered?
can they not have backordered? 	can I not have been backordering?
can you not have been backordering?
can she not have been backordering?
can we not have been backordering?
can you not have been backordering?
can they not have been backordering?