English verb conjugation
CAN SUPERSEDE

Regular verb: supersede - superseded - superseded

Affirmation

Simple form	V-ing form
I can supersede you can supersede he can supersede we can supersede you can supersede they can supersede	I can be superseding you can be superseding he can be superseding we can be superseding you can be superseding they can be superseding
Perfect	V-ing perfect
I can have superseded you can have superseded he can have superseded we can have superseded you can have superseded they can have superseded	I can have been superseding you can have been superseding he can have been superseding we can have been superseding you can have been superseding they can have been superseding

Negation

Simple form	V-ing form
I can't supersede you can't supersede he can't supersede we can't supersede you can't supersede they can't supersede	I can't be superseding you can't be superseding he can't be superseding we can't be superseding you can't be superseding they can't be superseding
Perfect	V-ing perfect
I can't have superseded you can't have superseded he can't have superseded we can't have superseded you can't have superseded they can't have superseded	I can't have been superseding you can't have been superseding he can't have been superseding we can't have been superseding you can't have been superseding they can't have been superseding

Interrogative form

Simple form	V-ing form
can I supersede? can you supersede? can he supersede? can we supersede? can you supersede? can they supersede?	can I be superseding? can you be superseding? can he be superseding? can we be superseding? can you be superseding? can they be superseding?
Perfect	V-ing perfect
can I have superseded? can you have superseded? can he have superseded? can we have superseded? can you have superseded? can they have superseded?	can I have been superseding? can you have been superseding? can he have been superseding? can we have been superseding? can you have been superseding? can they have been superseding?

Interro-negative form

Simple form	V-ing form
can't I supersede? can't you supersede? can't he supersede? can't we supersede? can't you supersede? can't they supersede?	can't I be superseding? can't you be superseding? can't he be superseding? can't we be superseding? can't you be superseding? can't they be superseding?
Perfect	V-ing perfect
can't I have superseded? can't you have superseded? can't he have superseded? can't we have superseded? can't you have superseded? can't they have superseded?	can't I have been superseding? can't you have been superseding? can't he have been superseding? can't we have been superseding? can't you have been superseding? can't they have been superseding?