English verb conjugation
COULD REGENERATE

Regular verb: regenerate - regenerated - regenerated

Affirmation

Simple form	V-ing form
I could regenerate you could regenerate she could regenerate we could regenerate you could regenerate they could regenerate	I could be regenerating you could be regenerating she 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 she 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 she 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 couldn't regenerate you couldn't regenerate she couldn't regenerate we couldn't regenerate you couldn't regenerate they couldn't regenerate	I couldn't be regenerating you couldn't be regenerating she couldn't be regenerating we couldn't be regenerating you couldn't be regenerating they couldn't be regenerating
Perfect	V-ing perfect
I couldn't have regenerated you couldn't have regenerated she couldn't have regenerated we couldn't have regenerated you couldn't have regenerated they couldn't have regenerated	I couldn't have been regenerating you couldn't have been regenerating she couldn't have been regenerating we couldn't have been regenerating you couldn't have been regenerating they couldn't have been regenerating

Interrogative form

Simple form	V-ing form
could I regenerate? could you regenerate? could she regenerate? could we regenerate? could you regenerate? could they regenerate?	could I be regenerating? could you be regenerating? could she 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 she 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 she 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
couldn't I regenerate? couldn't you regenerate? couldn't she regenerate? couldn't we regenerate? couldn't you regenerate? couldn't they regenerate?	couldn't I be regenerating? couldn't you be regenerating? couldn't she be regenerating? couldn't we be regenerating? couldn't you be regenerating? couldn't they be regenerating?
Perfect	V-ing perfect
couldn't I have regenerated? couldn't you have regenerated? couldn't she have regenerated? couldn't we have regenerated? couldn't you have regenerated? couldn't they have regenerated?	couldn't I have been regenerating? couldn't you have been regenerating? couldn't she have been regenerating? couldn't we have been regenerating? couldn't you have been regenerating? couldn't they have been regenerating?