can postpone
Regular verb: postpone - postponed- postponed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can postpone
you can postpone
she can postpone
we can postpone
you can postpone
they can postpone 	I can be postponing
you can be postponing
she can be postponing
we can be postponing
you can be postponing
they can be postponing	I can have postponed
you can have postponed
she can have postponed
we can have postponed
you can have postponed
they can have postponed	I can have been postponing
you can have been postponing
she can have been postponing
we can have been postponing
you can have been postponing
they can have been postponing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't postpone
you can't postpone
she can't postpone
we can't postpone
you can't postpone
they can't postpone 	I can't be postponing
you can't be postponing
she can't be postponing
we can't be postponing
you can't be postponing
they can't be postponing	I can't have postponed
you can't have postponed
she can't have postponed
we can't have postponed
you can't have postponed
they can't have postponed	I can't have been postponing
you can't have been postponing
she can't have been postponing
we can't have been postponing
you can't have been postponing
they can't have been postponing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I postpone?
can you postpone?
can she postpone?
can we postpone?
can you postpone?
can they postpone? 	can I be postponing?
can you be postponing?
can she be postponing?
can we be postponing?
can you be postponing?
can they be postponing? 	can I have postponed?
can you have postponed?
can she have postponed?
can we have postponed?
can you have postponed?
can they have postponed? 	can I have been postponing?
can you have been postponing?
can she have been postponing?
can we have been postponing?
can you have been postponing?
can they have been postponing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I postpone?
can't you postpone?
can't she postpone?
can't we postpone?
can't you postpone?
can't they postpone? 	can't I be postponing?
can't you be postponing?
can't she be postponing?
can't we be postponing?
can't you be postponing?
can't they be postponing? 	can't I have postponed?
can't you have postponed?
can't she have postponed?
can't we have postponed?
can't you have postponed?
can't they have postponed? 	can't I have been postponing?
can't you have been postponing?
can't she have been postponing?
can't we have been postponing?
can't you have been postponing?
can't they have been postponing?