English verb conjugation
COULD REGENERATE

Regular verb: regenerate - regenerated - regenerated

Affirmation

Simple form	V-ing form
I could regenerate you could regenerate he could regenerate we could regenerate you could regenerate they could regenerate	I could be regenerating you could be regenerating he could be regenerating we could be regenerating you could be regenerating they could be regenerating
Perfect	V-ing perfect
I could have regenerated you could have regenerated he could have regenerated we could have regenerated you could have regenerated they could have regenerated	I could have been regenerating you could have been regenerating he could have been regenerating we could have been regenerating you could have been regenerating they could have been regenerating

Negation

Simple form	V-ing form
I could not regenerate you could not regenerate he could not regenerate we could not regenerate you could not regenerate they could not regenerate	I could not be regenerating you could not be regenerating he could not be regenerating we could not be regenerating you could not be regenerating they could not be regenerating
Perfect	V-ing perfect
I could not have regenerated you could not have regenerated he could not have regenerated we could not have regenerated you could not have regenerated they could not have regenerated	I could not have been regenerating you could not have been regenerating he could not have been regenerating we could not have been regenerating you could not have been regenerating they could not have been regenerating

Interrogative form

Simple form	V-ing form
could I regenerate? could you regenerate? could he regenerate? could we regenerate? could you regenerate? could they regenerate?	could I be regenerating? could you be regenerating? could he be regenerating? could we be regenerating? could you be regenerating? could they be regenerating?
Perfect	V-ing perfect
could I have regenerated? could you have regenerated? could he have regenerated? could we have regenerated? could you have regenerated? could they have regenerated?	could I have been regenerating? could you have been regenerating? could he have been regenerating? could we have been regenerating? could you have been regenerating? could they have been regenerating?

Interro-negative form

Simple form	V-ing form
could I not regenerate? could you not regenerate? could he not regenerate? could we not regenerate? could you not regenerate? could they not regenerate?	could I not be regenerating? could you not be regenerating? could he not be regenerating? could we not be regenerating? could you not be regenerating? could they not be regenerating?
Perfect	V-ing perfect
could I not have regenerated? could you not have regenerated? could he not have regenerated? could we not have regenerated? could you not have regenerated? could they not have regenerated?	could I not have been regenerating? could you not have been regenerating? could he not have been regenerating? could we not have been regenerating? could you not have been regenerating? could they not have been regenerating?