can acerbate
Regular verb: acerbate - acerbated- acerbated

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

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

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

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