English verb conjugation
CAN UPSURGE

Regular verb: upsurge - upsurged - upsurged

Affirmation

Simple form	V-ing form
I can upsurge you can upsurge he can upsurge we can upsurge you can upsurge they can upsurge	I can be upsurging you can be upsurging he can be upsurging we can be upsurging you can be upsurging they can be upsurging
Perfect	V-ing perfect
I can have upsurged you can have upsurged he can have upsurged we can have upsurged you can have upsurged they can have upsurged	I can have been upsurging you can have been upsurging he can have been upsurging we can have been upsurging you can have been upsurging they can have been upsurging

Negation

Simple form	V-ing form
I can't upsurge you can't upsurge he can't upsurge we can't upsurge you can't upsurge they can't upsurge	I can't be upsurging you can't be upsurging he can't be upsurging we can't be upsurging you can't be upsurging they can't be upsurging
Perfect	V-ing perfect
I can't have upsurged you can't have upsurged he can't have upsurged we can't have upsurged you can't have upsurged they can't have upsurged	I can't have been upsurging you can't have been upsurging he can't have been upsurging we can't have been upsurging you can't have been upsurging they can't have been upsurging

Interrogative form

Simple form	V-ing form
can I upsurge? can you upsurge? can he upsurge? can we upsurge? can you upsurge? can they upsurge?	can I be upsurging? can you be upsurging? can he be upsurging? can we be upsurging? can you be upsurging? can they be upsurging?
Perfect	V-ing perfect
can I have upsurged? can you have upsurged? can he have upsurged? can we have upsurged? can you have upsurged? can they have upsurged?	can I have been upsurging? can you have been upsurging? can he have been upsurging? can we have been upsurging? can you have been upsurging? can they have been upsurging?

Interro-negative form

Simple form	V-ing form
can't I upsurge? can't you upsurge? can't he upsurge? can't we upsurge? can't you upsurge? can't they upsurge?	can't I be upsurging? can't you be upsurging? can't he be upsurging? can't we be upsurging? can't you be upsurging? can't they be upsurging?
Perfect	V-ing perfect
can't I have upsurged? can't you have upsurged? can't he have upsurged? can't we have upsurged? can't you have upsurged? can't they have upsurged?	can't I have been upsurging? can't you have been upsurging? can't he have been upsurging? can't we have been upsurging? can't you have been upsurging? can't they have been upsurging?