English verb conjugation
COULD ACERBATE

Regular verb: acerbate - acerbated - acerbated

Affirmation

Simple form	V-ing form
I could acerbate you could acerbate he could acerbate we could acerbate you could acerbate they could acerbate	I could be acerbating you could be acerbating he could be acerbating we could be acerbating you could be acerbating they could be acerbating
Perfect	V-ing perfect
I could have acerbated you could have acerbated he could have acerbated we could have acerbated you could have acerbated they could have acerbated	I could have been acerbating you could have been acerbating he could have been acerbating we could have been acerbating you could have been acerbating they could have been acerbating

Negation

Simple form	V-ing form
I couldn't acerbate you couldn't acerbate he couldn't acerbate we couldn't acerbate you couldn't acerbate they couldn't acerbate	I couldn't be acerbating you couldn't be acerbating he couldn't be acerbating we couldn't be acerbating you couldn't be acerbating they couldn't be acerbating
Perfect	V-ing perfect
I couldn't have acerbated you couldn't have acerbated he couldn't have acerbated we couldn't have acerbated you couldn't have acerbated they couldn't have acerbated	I couldn't have been acerbating you couldn't have been acerbating he couldn't have been acerbating we couldn't have been acerbating you couldn't have been acerbating they couldn't have been acerbating

Interrogative form

Simple form	V-ing form
could I acerbate? could you acerbate? could he acerbate? could we acerbate? could you acerbate? could they acerbate?	could I be acerbating? could you be acerbating? could he be acerbating? could we be acerbating? could you be acerbating? could they be acerbating?
Perfect	V-ing perfect
could I have acerbated? could you have acerbated? could he have acerbated? could we have acerbated? could you have acerbated? could they have acerbated?	could I have been acerbating? could you have been acerbating? could he have been acerbating? could we have been acerbating? could you have been acerbating? could they have been acerbating?

Interro-negative form

Simple form	V-ing form
couldn't I acerbate? couldn't you acerbate? couldn't he acerbate? couldn't we acerbate? couldn't you acerbate? couldn't they acerbate?	couldn't I be acerbating? couldn't you be acerbating? couldn't he be acerbating? couldn't we be acerbating? couldn't you be acerbating? couldn't they be acerbating?
Perfect	V-ing perfect
couldn't I have acerbated? couldn't you have acerbated? couldn't he have acerbated? couldn't we have acerbated? couldn't you have acerbated? couldn't they have acerbated?	couldn't I have been acerbating? couldn't you have been acerbating? couldn't he have been acerbating? couldn't we have been acerbating? couldn't you have been acerbating? couldn't they have been acerbating?