English verb conjugation COULD PREEXIST

Regular verb: preexist - preexisted - preexisted

Affirmation

Simple form

I could preexist
you could preexist
he could preexist
we could preexist
you could preexist
they could preexist

V-ing form

I could be preexisting
you could be preexisting
he could be preexisting
we could be preexisting
you could be preexisting
they could be preexisting

Perfect

I could have preexisted
you could have preexisted
he could have preexisted
we could have preexisted
you could have preexisted
they could have preexisted

V-ing perfect

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

Negation

Simple form

I could not preexist
you could not preexist
he could not preexist
we could not preexist
you could not preexist
they could not preexist

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I preexist?
could you preexist?
could he preexist?
could we preexist?
could you preexist?
could they preexist?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top