English verb conjugation
COULD PASSIVATE

Regular verb: passivate - passivated - passivated

Affirmation

Simple form	V-ing form
I could passivate you could passivate he could passivate we could passivate you could passivate they could passivate	I could be passivating you could be passivating he could be passivating we could be passivating you could be passivating they could be passivating
Perfect	V-ing perfect
I could have passivated you could have passivated he could have passivated we could have passivated you could have passivated they could have passivated	I could have been passivating you could have been passivating he could have been passivating we could have been passivating you could have been passivating they could have been passivating

Negation

Simple form	V-ing form
I couldn't passivate you couldn't passivate he couldn't passivate we couldn't passivate you couldn't passivate they couldn't passivate	I couldn't be passivating you couldn't be passivating he couldn't be passivating we couldn't be passivating you couldn't be passivating they couldn't be passivating
Perfect	V-ing perfect
I couldn't have passivated you couldn't have passivated he couldn't have passivated we couldn't have passivated you couldn't have passivated they couldn't have passivated	I couldn't have been passivating you couldn't have been passivating he couldn't have been passivating we couldn't have been passivating you couldn't have been passivating they couldn't have been passivating

Interrogative form

Simple form	V-ing form
could I passivate? could you passivate? could he passivate? could we passivate? could you passivate? could they passivate?	could I be passivating? could you be passivating? could he be passivating? could we be passivating? could you be passivating? could they be passivating?
Perfect	V-ing perfect
could I have passivated? could you have passivated? could he have passivated? could we have passivated? could you have passivated? could they have passivated?	could I have been passivating? could you have been passivating? could he have been passivating? could we have been passivating? could you have been passivating? could they have been passivating?

Interro-negative form

Simple form	V-ing form
couldn't I passivate? couldn't you passivate? couldn't he passivate? couldn't we passivate? couldn't you passivate? couldn't they passivate?	couldn't I be passivating? couldn't you be passivating? couldn't he be passivating? couldn't we be passivating? couldn't you be passivating? couldn't they be passivating?
Perfect	V-ing perfect
couldn't I have passivated? couldn't you have passivated? couldn't he have passivated? couldn't we have passivated? couldn't you have passivated? couldn't they have passivated?	couldn't I have been passivating? couldn't you have been passivating? couldn't he have been passivating? couldn't we have been passivating? couldn't you have been passivating? couldn't they have been passivating?