I could manifest you could manifest she could manifest we could manifest you could manifest they could manifest
V-ing form
I could be manifesting you could be manifesting she could be manifesting we could be manifesting you could be manifesting they could be manifesting
Perfect
I could have manifested you could have manifested she 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 she could have been manifesting we could have been manifesting you could have been manifesting they could have been manifesting
Negation
Simple form
I couldn't manifest you couldn't manifest she couldn't manifest we couldn't manifest you couldn't manifest they couldn't manifest
V-ing form
I couldn't be manifesting you couldn't be manifesting she couldn't be manifesting we couldn't be manifesting you couldn't be manifesting they couldn't be manifesting
Perfect
I couldn't have manifested you couldn't have manifested she couldn't have manifested we couldn't have manifested you couldn't have manifested they couldn't have manifested
V-ing perfect
I couldn't have been manifesting you couldn't have been manifesting she couldn't have been manifesting we couldn't have been manifesting you couldn't have been manifesting they couldn't have been manifesting
Interrogative form
Simple form
could I manifest? could you manifest? could she manifest? could we manifest? could you manifest? could they manifest?
V-ing form
could I be manifesting? could you be manifesting? could she be manifesting? could we be manifesting? could you be manifesting? could they be manifesting?
Perfect
could I have manifested? could you have manifested? could she 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 she have been manifesting? could we have been manifesting? could you have been manifesting? could they have been manifesting?
Interro-negative form
Simple form
couldn't I manifest? couldn't you manifest? couldn't she manifest? couldn't we manifest? couldn't you manifest? couldn't they manifest?
V-ing form
couldn't I be manifesting? couldn't you be manifesting? couldn't she be manifesting? couldn't we be manifesting? couldn't you be manifesting? couldn't they be manifesting?
Perfect
couldn't I have manifested? couldn't you have manifested? couldn't she have manifested? couldn't we have manifested? couldn't you have manifested? couldn't they have manifested?
V-ing perfect
couldn't I have been manifesting? couldn't you have been manifesting? couldn't she have been manifesting? couldn't we have been manifesting? couldn't you have been manifesting? couldn't they have been manifesting?