English verb conjugation
COULD RATIFY

Regular verb: ratify - ratified - ratified

Affirmation

Simple form	V-ing form
I could ratify you could ratify she could ratify we could ratify you could ratify they could ratify	I could be ratifying you could be ratifying she could be ratifying we could be ratifying you could be ratifying they could be ratifying
Perfect	V-ing perfect
I could have ratified you could have ratified she could have ratified we could have ratified you could have ratified they could have ratified	I could have been ratifying you could have been ratifying she could have been ratifying we could have been ratifying you could have been ratifying they could have been ratifying

Negation

Simple form	V-ing form
I couldn't ratify you couldn't ratify she couldn't ratify we couldn't ratify you couldn't ratify they couldn't ratify	I couldn't be ratifying you couldn't be ratifying she couldn't be ratifying we couldn't be ratifying you couldn't be ratifying they couldn't be ratifying
Perfect	V-ing perfect
I couldn't have ratified you couldn't have ratified she couldn't have ratified we couldn't have ratified you couldn't have ratified they couldn't have ratified	I couldn't have been ratifying you couldn't have been ratifying she couldn't have been ratifying we couldn't have been ratifying you couldn't have been ratifying they couldn't have been ratifying

Interrogative form

Simple form	V-ing form
could I ratify? could you ratify? could she ratify? could we ratify? could you ratify? could they ratify?	could I be ratifying? could you be ratifying? could she be ratifying? could we be ratifying? could you be ratifying? could they be ratifying?
Perfect	V-ing perfect
could I have ratified? could you have ratified? could she have ratified? could we have ratified? could you have ratified? could they have ratified?	could I have been ratifying? could you have been ratifying? could she have been ratifying? could we have been ratifying? could you have been ratifying? could they have been ratifying?

Interro-negative form

Simple form	V-ing form
couldn't I ratify? couldn't you ratify? couldn't she ratify? couldn't we ratify? couldn't you ratify? couldn't they ratify?	couldn't I be ratifying? couldn't you be ratifying? couldn't she be ratifying? couldn't we be ratifying? couldn't you be ratifying? couldn't they be ratifying?
Perfect	V-ing perfect
couldn't I have ratified? couldn't you have ratified? couldn't she have ratified? couldn't we have ratified? couldn't you have ratified? couldn't they have ratified?	couldn't I have been ratifying? couldn't you have been ratifying? couldn't she have been ratifying? couldn't we have been ratifying? couldn't you have been ratifying? couldn't they have been ratifying?