English verb conjugation
COULD MANIFEST

Regular verb: manifest - manifested - manifested

Affirmation

Simple form	V-ing form
I could manifest you could manifest she could manifest we could manifest you could manifest they could manifest	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
could I manifest? could you manifest? could she manifest? could we manifest? could you manifest? could they manifest?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?