English verb conjugation
COULD POUNCE

Regular verb: pounce - pounced - pounced

Affirmation

Simple form	V-ing form
I could pounce you could pounce he could pounce we could pounce you could pounce they could pounce	I could be pouncing you could be pouncing he could be pouncing we could be pouncing you could be pouncing they could be pouncing
Perfect	V-ing perfect
I could have pounced you could have pounced he could have pounced we could have pounced you could have pounced they could have pounced	I could have been pouncing you could have been pouncing he could have been pouncing we could have been pouncing you could have been pouncing they could have been pouncing

Negation

Simple form	V-ing form
I couldn't pounce you couldn't pounce he couldn't pounce we couldn't pounce you couldn't pounce they couldn't pounce	I couldn't be pouncing you couldn't be pouncing he couldn't be pouncing we couldn't be pouncing you couldn't be pouncing they couldn't be pouncing
Perfect	V-ing perfect
I couldn't have pounced you couldn't have pounced he couldn't have pounced we couldn't have pounced you couldn't have pounced they couldn't have pounced	I couldn't have been pouncing you couldn't have been pouncing he couldn't have been pouncing we couldn't have been pouncing you couldn't have been pouncing they couldn't have been pouncing

Interrogative form

Simple form	V-ing form
could I pounce? could you pounce? could he pounce? could we pounce? could you pounce? could they pounce?	could I be pouncing? could you be pouncing? could he be pouncing? could we be pouncing? could you be pouncing? could they be pouncing?
Perfect	V-ing perfect
could I have pounced? could you have pounced? could he have pounced? could we have pounced? could you have pounced? could they have pounced?	could I have been pouncing? could you have been pouncing? could he have been pouncing? could we have been pouncing? could you have been pouncing? could they have been pouncing?

Interro-negative form

Simple form	V-ing form
couldn't I pounce? couldn't you pounce? couldn't he pounce? couldn't we pounce? couldn't you pounce? couldn't they pounce?	couldn't I be pouncing? couldn't you be pouncing? couldn't he be pouncing? couldn't we be pouncing? couldn't you be pouncing? couldn't they be pouncing?
Perfect	V-ing perfect
couldn't I have pounced? couldn't you have pounced? couldn't he have pounced? couldn't we have pounced? couldn't you have pounced? couldn't they have pounced?	couldn't I have been pouncing? couldn't you have been pouncing? couldn't he have been pouncing? couldn't we have been pouncing? couldn't you have been pouncing? couldn't they have been pouncing?