I can acerbate you can acerbate she can acerbate we can acerbate you can acerbate they can acerbate
V-ing form
I can be acerbating you can be acerbating she can be acerbating we can be acerbating you can be acerbating they can be acerbating
Perfect
I can have acerbated you can have acerbated she can have acerbated we can have acerbated you can have acerbated they can have acerbated
V-ing perfect
I can have been acerbating you can have been acerbating she can have been acerbating we can have been acerbating you can have been acerbating they can have been acerbating
Negation
Simple form
I cannot acerbate you cannot acerbate she cannot acerbate we cannot acerbate you cannot acerbate they cannot acerbate
V-ing form
I cannot be acerbating you cannot be acerbating she cannot be acerbating we cannot be acerbating you cannot be acerbating they cannot be acerbating
Perfect
I cannot have acerbated you cannot have acerbated she cannot have acerbated we cannot have acerbated you cannot have acerbated they cannot have acerbated
V-ing perfect
I cannot have been acerbating you cannot have been acerbating she cannot have been acerbating we cannot have been acerbating you cannot have been acerbating they cannot have been acerbating
Interrogative form
Simple form
can I acerbate? can you acerbate? can she acerbate? can we acerbate? can you acerbate? can they acerbate?
V-ing form
can I be acerbating? can you be acerbating? can she be acerbating? can we be acerbating? can you be acerbating? can they be acerbating?
Perfect
can I have acerbated? can you have acerbated? can she have acerbated? can we have acerbated? can you have acerbated? can they have acerbated?
V-ing perfect
can I have been acerbating? can you have been acerbating? can she have been acerbating? can we have been acerbating? can you have been acerbating? can they have been acerbating?
Interro-negative form
Simple form
can I not acerbate? can you not acerbate? can she not acerbate? can we not acerbate? can you not acerbate? can they not acerbate?
V-ing form
can I not be acerbating? can you not be acerbating? can she not be acerbating? can we not be acerbating? can you not be acerbating? can they not be acerbating?
Perfect
can I not have acerbated? can you not have acerbated? can she not have acerbated? can we not have acerbated? can you not have acerbated? can they not have acerbated?
V-ing perfect
can I not have been acerbating? can you not have been acerbating? can she not have been acerbating? can we not have been acerbating? can you not have been acerbating? can they not have been acerbating?