Conjugaison du verbe anglais COULD PREESTABLISH

I could preestablish
you could preestablish
he could preestablish
we could preestablish
you could preestablish
they could preestablish

I could be preestablishing
you could be preestablishing
he could be preestablishing
we could be preestablishing
you could be preestablishing
they could be preestablishing

I could have preestablished
you could have preestablished
he could have preestablished
we could have preestablished
you could have preestablished
they could have preestablished

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

I could not preestablish
you could not preestablish
he could not preestablish
we could not preestablish
you could not preestablish
they could not preestablish

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

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

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

could I preestablish?
could you preestablish?
could he preestablish?
could we preestablish?
could you preestablish?
could they preestablish?

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

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

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

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

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

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

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