English verb conjugation COULD OBSOLESCE

Regular verb: obsolesce - obsolesced - obsolesced

Affirmation

Simple form

I could obsolesce
you could obsolesce
he could obsolesce
we could obsolesce
you could obsolesce
they could obsolesce

V-ing form

I could be obsolescing
you could be obsolescing
he could be obsolescing
we could be obsolescing
you could be obsolescing
they could be obsolescing

Perfect

I could have obsolesced
you could have obsolesced
he could have obsolesced
we could have obsolesced
you could have obsolesced
they could have obsolesced

V-ing perfect

I could have been obsolescing
you could have been obsolescing
he could have been obsolescing
we could have been obsolescing
you could have been obsolescing
they could have been obsolescing

Negation

Simple form

I could not obsolesce
you could not obsolesce
he could not obsolesce
we could not obsolesce
you could not obsolesce
they could not obsolesce

V-ing form

I could not be obsolescing
you could not be obsolescing
he could not be obsolescing
we could not be obsolescing
you could not be obsolescing
they could not be obsolescing

Perfect

I could not have obsolesced
you could not have obsolesced
he could not have obsolesced
we could not have obsolesced
you could not have obsolesced
they could not have obsolesced

V-ing perfect

I could not have been obsolescing
you could not have been obsolescing
he could not have been obsolescing
we could not have been obsolescing
you could not have been obsolescing
they could not have been obsolescing

Interrogative form

Simple form

could I obsolesce?
could you obsolesce?
could he obsolesce?
could we obsolesce?
could you obsolesce?
could they obsolesce?

V-ing form

could I be obsolescing?
could you be obsolescing?
could he be obsolescing?
could we be obsolescing?
could you be obsolescing?
could they be obsolescing?

Perfect

could I have obsolesced?
could you have obsolesced?
could he have obsolesced?
could we have obsolesced?
could you have obsolesced?
could they have obsolesced?

V-ing perfect

could I have been obsolescing?
could you have been obsolescing?
could he have been obsolescing?
could we have been obsolescing?
could you have been obsolescing?
could they have been obsolescing?

Interro-negative form

Simple form

could I not obsolesce?
could you not obsolesce?
could he not obsolesce?
could we not obsolesce?
could you not obsolesce?
could they not obsolesce?

V-ing form

could I not be obsolescing?
could you not be obsolescing?
could he not be obsolescing?
could we not be obsolescing?
could you not be obsolescing?
could they not be obsolescing?

Perfect

could I not have obsolesced?
could you not have obsolesced?
could he not have obsolesced?
could we not have obsolesced?
could you not have obsolesced?
could they not have obsolesced?

V-ing perfect

could I not have been obsolescing?
could you not have been obsolescing?
could he not have been obsolescing?
could we not have been obsolescing?
could you not have been obsolescing?
could they not have been obsolescing?

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