can obsolesce
Regular verb: obsolesce - obsolesced- obsolesced

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