English verb conjugation
CAN POSTPONE

Regular verb: postpone - postponed - postponed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?