can exacerbate
Regular verb: exacerbate - exacerbated- exacerbated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can exacerbate
you can exacerbate
he can exacerbate
we can exacerbate
you can exacerbate
they can exacerbate 	I can be exacerbating
you can be exacerbating
he can be exacerbating
we can be exacerbating
you can be exacerbating
they can be exacerbating	I can have exacerbated
you can have exacerbated
he can have exacerbated
we can have exacerbated
you can have exacerbated
they can have exacerbated	I can have been exacerbating
you can have been exacerbating
he can have been exacerbating
we can have been exacerbating
you can have been exacerbating
they can have been exacerbating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot exacerbate
you cannot exacerbate
he cannot exacerbate
we cannot exacerbate
you cannot exacerbate
they cannot exacerbate 	I cannot be exacerbating
you cannot be exacerbating
he cannot be exacerbating
we cannot be exacerbating
you cannot be exacerbating
they cannot be exacerbating	I cannot have exacerbated
you cannot have exacerbated
he cannot have exacerbated
we cannot have exacerbated
you cannot have exacerbated
they cannot have exacerbated	I cannot have been exacerbating
you cannot have been exacerbating
he cannot have been exacerbating
we cannot have been exacerbating
you cannot have been exacerbating
they cannot have been exacerbating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I exacerbate?
can you exacerbate?
can he exacerbate?
can we exacerbate?
can you exacerbate?
can they exacerbate? 	can I be exacerbating?
can you be exacerbating?
can he be exacerbating?
can we be exacerbating?
can you be exacerbating?
can they be exacerbating? 	can I have exacerbated?
can you have exacerbated?
can he have exacerbated?
can we have exacerbated?
can you have exacerbated?
can they have exacerbated? 	can I have been exacerbating?
can you have been exacerbating?
can he have been exacerbating?
can we have been exacerbating?
can you have been exacerbating?
can they have been exacerbating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not exacerbate?
can you not exacerbate?
can he not exacerbate?
can we not exacerbate?
can you not exacerbate?
can they not exacerbate? 	can I not be exacerbating?
can you not be exacerbating?
can he not be exacerbating?
can we not be exacerbating?
can you not be exacerbating?
can they not be exacerbating? 	can I not have exacerbated?
can you not have exacerbated?
can he not have exacerbated?
can we not have exacerbated?
can you not have exacerbated?
can they not have exacerbated? 	can I not have been exacerbating?
can you not have been exacerbating?
can he not have been exacerbating?
can we not have been exacerbating?
can you not have been exacerbating?
can they not have been exacerbating?