English verb conjugation
COULD GOVERN

Regular verb: govern - governed - governed

Affirmation

Simple form	V-ing form
I could govern you could govern he could govern we could govern you could govern they could govern	I could be governing you could be governing he could be governing we could be governing you could be governing they could be governing
Perfect	V-ing perfect
I could have governed you could have governed he could have governed we could have governed you could have governed they could have governed	I could have been governing you could have been governing he could have been governing we could have been governing you could have been governing they could have been governing

Negation

Simple form	V-ing form
I couldn't govern you couldn't govern he couldn't govern we couldn't govern you couldn't govern they couldn't govern	I couldn't be governing you couldn't be governing he couldn't be governing we couldn't be governing you couldn't be governing they couldn't be governing
Perfect	V-ing perfect
I couldn't have governed you couldn't have governed he couldn't have governed we couldn't have governed you couldn't have governed they couldn't have governed	I couldn't have been governing you couldn't have been governing he couldn't have been governing we couldn't have been governing you couldn't have been governing they couldn't have been governing

Interrogative form

Simple form	V-ing form
could I govern? could you govern? could he govern? could we govern? could you govern? could they govern?	could I be governing? could you be governing? could he be governing? could we be governing? could you be governing? could they be governing?
Perfect	V-ing perfect
could I have governed? could you have governed? could he have governed? could we have governed? could you have governed? could they have governed?	could I have been governing? could you have been governing? could he have been governing? could we have been governing? could you have been governing? could they have been governing?

Interro-negative form

Simple form	V-ing form
couldn't I govern? couldn't you govern? couldn't he govern? couldn't we govern? couldn't you govern? couldn't they govern?	couldn't I be governing? couldn't you be governing? couldn't he be governing? couldn't we be governing? couldn't you be governing? couldn't they be governing?
Perfect	V-ing perfect
couldn't I have governed? couldn't you have governed? couldn't he have governed? couldn't we have governed? couldn't you have governed? couldn't they have governed?	couldn't I have been governing? couldn't you have been governing? couldn't he have been governing? couldn't we have been governing? couldn't you have been governing? couldn't they have been governing?