English verb conjugation
COULD PENALIZE

Regular verb: penalize - penalized - penalized

Affirmation

Simple form	V-ing form
I could penalize you could penalize he could penalize we could penalize you could penalize they could penalize	I could be penalizing you could be penalizing he could be penalizing we could be penalizing you could be penalizing they could be penalizing
Perfect	V-ing perfect
I could have penalized you could have penalized he could have penalized we could have penalized you could have penalized they could have penalized	I could have been penalizing you could have been penalizing he could have been penalizing we could have been penalizing you could have been penalizing they could have been penalizing

Negation

Simple form	V-ing form
I couldn't penalize you couldn't penalize he couldn't penalize we couldn't penalize you couldn't penalize they couldn't penalize	I couldn't be penalizing you couldn't be penalizing he couldn't be penalizing we couldn't be penalizing you couldn't be penalizing they couldn't be penalizing
Perfect	V-ing perfect
I couldn't have penalized you couldn't have penalized he couldn't have penalized we couldn't have penalized you couldn't have penalized they couldn't have penalized	I couldn't have been penalizing you couldn't have been penalizing he couldn't have been penalizing we couldn't have been penalizing you couldn't have been penalizing they couldn't have been penalizing

Interrogative form

Simple form	V-ing form
could I penalize? could you penalize? could he penalize? could we penalize? could you penalize? could they penalize?	could I be penalizing? could you be penalizing? could he be penalizing? could we be penalizing? could you be penalizing? could they be penalizing?
Perfect	V-ing perfect
could I have penalized? could you have penalized? could he have penalized? could we have penalized? could you have penalized? could they have penalized?	could I have been penalizing? could you have been penalizing? could he have been penalizing? could we have been penalizing? could you have been penalizing? could they have been penalizing?

Interro-negative form

Simple form	V-ing form
couldn't I penalize? couldn't you penalize? couldn't he penalize? couldn't we penalize? couldn't you penalize? couldn't they penalize?	couldn't I be penalizing? couldn't you be penalizing? couldn't he be penalizing? couldn't we be penalizing? couldn't you be penalizing? couldn't they be penalizing?
Perfect	V-ing perfect
couldn't I have penalized? couldn't you have penalized? couldn't he have penalized? couldn't we have penalized? couldn't you have penalized? couldn't they have penalized?	couldn't I have been penalizing? couldn't you have been penalizing? couldn't he have been penalizing? couldn't we have been penalizing? couldn't you have been penalizing? couldn't they have been penalizing?