I could manifest you could manifest he could manifest we could manifest you could manifest they could manifest
V-ing form
I could be manifesting you could be manifesting he could be manifesting we could be manifesting you could be manifesting they could be manifesting
Perfect
I could have manifested you could have manifested he could have manifested we could have manifested you could have manifested they could have manifested
V-ing perfect
I could have been manifesting you could have been manifesting he could have been manifesting we could have been manifesting you could have been manifesting they could have been manifesting
Negation
Simple form
I could not manifest you could not manifest he could not manifest we could not manifest you could not manifest they could not manifest
V-ing form
I could not be manifesting you could not be manifesting he could not be manifesting we could not be manifesting you could not be manifesting they could not be manifesting
Perfect
I could not have manifested you could not have manifested he could not have manifested we could not have manifested you could not have manifested they could not have manifested
V-ing perfect
I could not have been manifesting you could not have been manifesting he could not have been manifesting we could not have been manifesting you could not have been manifesting they could not have been manifesting
Interrogative form
Simple form
could I manifest? could you manifest? could he manifest? could we manifest? could you manifest? could they manifest?
V-ing form
could I be manifesting? could you be manifesting? could he be manifesting? could we be manifesting? could you be manifesting? could they be manifesting?
Perfect
could I have manifested? could you have manifested? could he have manifested? could we have manifested? could you have manifested? could they have manifested?
V-ing perfect
could I have been manifesting? could you have been manifesting? could he have been manifesting? could we have been manifesting? could you have been manifesting? could they have been manifesting?
Interro-negative form
Simple form
could I not manifest? could you not manifest? could he not manifest? could we not manifest? could you not manifest? could they not manifest?
V-ing form
could I not be manifesting? could you not be manifesting? could he not be manifesting? could we not be manifesting? could you not be manifesting? could they not be manifesting?
Perfect
could I not have manifested? could you not have manifested? could he not have manifested? could we not have manifested? could you not have manifested? could they not have manifested?
V-ing perfect
could I not have been manifesting? could you not have been manifesting? could he not have been manifesting? could we not have been manifesting? could you not have been manifesting? could they not have been manifesting?