English verb conjugation COULD PERSIST

Regular verb: persist - persisted - persisted

Affirmation

Simple form

I could persist
you could persist
she could persist
we could persist
you could persist
they could persist

V-ing form

I could be persisting
you could be persisting
she could be persisting
we could be persisting
you could be persisting
they could be persisting

Perfect

I could have persisted
you could have persisted
she could have persisted
we could have persisted
you could have persisted
they could have persisted

V-ing perfect

I could have been persisting
you could have been persisting
she could have been persisting
we could have been persisting
you could have been persisting
they could have been persisting

Negation

Simple form

I could not persist
you could not persist
she could not persist
we could not persist
you could not persist
they could not persist

V-ing form

I could not be persisting
you could not be persisting
she could not be persisting
we could not be persisting
you could not be persisting
they could not be persisting

Perfect

I could not have persisted
you could not have persisted
she could not have persisted
we could not have persisted
you could not have persisted
they could not have persisted

V-ing perfect

I could not have been persisting
you could not have been persisting
she could not have been persisting
we could not have been persisting
you could not have been persisting
they could not have been persisting

Interrogative form

Simple form

could I persist?
could you persist?
could she persist?
could we persist?
could you persist?
could they persist?

V-ing form

could I be persisting?
could you be persisting?
could she be persisting?
could we be persisting?
could you be persisting?
could they be persisting?

Perfect

could I have persisted?
could you have persisted?
could she have persisted?
could we have persisted?
could you have persisted?
could they have persisted?

V-ing perfect

could I have been persisting?
could you have been persisting?
could she have been persisting?
could we have been persisting?
could you have been persisting?
could they have been persisting?

Interro-negative form

Simple form

could I not persist?
could you not persist?
could she not persist?
could we not persist?
could you not persist?
could they not persist?

V-ing form

could I not be persisting?
could you not be persisting?
could she not be persisting?
could we not be persisting?
could you not be persisting?
could they not be persisting?

Perfect

could I not have persisted?
could you not have persisted?
could she not have persisted?
could we not have persisted?
could you not have persisted?
could they not have persisted?

V-ing perfect

could I not have been persisting?
could you not have been persisting?
could she not have been persisting?
could we not have been persisting?
could you not have been persisting?
could they not have been persisting?

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