English verb conjugation
CAN OBSOLESCE

Regular verb: obsolesce - obsolesced - obsolesced

Affirmation

Simple form	V-ing form
I can obsolesce you can obsolesce he can obsolesce we can obsolesce you can obsolesce they can obsolesce	I can be obsolescing you can be obsolescing he can be obsolescing we can be obsolescing you can be obsolescing they can be obsolescing
Perfect	V-ing perfect
I can have obsolesced you can have obsolesced he can have obsolesced we can have obsolesced you can have obsolesced they can have obsolesced	I can have been obsolescing you can have been obsolescing he can have been obsolescing we can have been obsolescing you can have been obsolescing they can have been obsolescing

Negation

Simple form	V-ing form
I can't obsolesce you can't obsolesce he can't obsolesce we can't obsolesce you can't obsolesce they can't obsolesce	I can't be obsolescing you can't be obsolescing he can't be obsolescing we can't be obsolescing you can't be obsolescing they can't be obsolescing
Perfect	V-ing perfect
I can't have obsolesced you can't have obsolesced he can't have obsolesced we can't have obsolesced you can't have obsolesced they can't have obsolesced	I can't have been obsolescing you can't have been obsolescing he can't have been obsolescing we can't have been obsolescing you can't have been obsolescing they can't have been obsolescing

Interrogative form

Simple form	V-ing form
can I obsolesce? can you obsolesce? can he obsolesce? can we obsolesce? can you obsolesce? can they obsolesce?	can I be obsolescing? can you be obsolescing? can he be obsolescing? can we be obsolescing? can you be obsolescing? can they be obsolescing?
Perfect	V-ing perfect
can I have obsolesced? can you have obsolesced? can he have obsolesced? can we have obsolesced? can you have obsolesced? can they have obsolesced?	can I have been obsolescing? can you have been obsolescing? can he have been obsolescing? can we have been obsolescing? can you have been obsolescing? can they have been obsolescing?

Interro-negative form

Simple form	V-ing form
can't I obsolesce? can't you obsolesce? can't he obsolesce? can't we obsolesce? can't you obsolesce? can't they obsolesce?	can't I be obsolescing? can't you be obsolescing? can't he be obsolescing? can't we be obsolescing? can't you be obsolescing? can't they be obsolescing?
Perfect	V-ing perfect
can't I have obsolesced? can't you have obsolesced? can't he have obsolesced? can't we have obsolesced? can't you have obsolesced? can't they have obsolesced?	can't I have been obsolescing? can't you have been obsolescing? can't he have been obsolescing? can't we have been obsolescing? can't you have been obsolescing? can't they have been obsolescing?