I can abate you can abate he can abate we can abate you can abate they can abate
V-ing form
I can be abating you can be abating he can be abating we can be abating you can be abating they can be abating
Perfect
I can have abated you can have abated he can have abated we can have abated you can have abated they can have abated
V-ing perfect
I can have been abating you can have been abating he can have been abating we can have been abating you can have been abating they can have been abating
Negation
Simple form
I cannot abate you cannot abate he cannot abate we cannot abate you cannot abate they cannot abate
V-ing form
I cannot be abating you cannot be abating he cannot be abating we cannot be abating you cannot be abating they cannot be abating
Perfect
I cannot have abated you cannot have abated he cannot have abated we cannot have abated you cannot have abated they cannot have abated
V-ing perfect
I cannot have been abating you cannot have been abating he cannot have been abating we cannot have been abating you cannot have been abating they cannot have been abating
Interrogative form
Simple form
can I abate? can you abate? can he abate? can we abate? can you abate? can they abate?
V-ing form
can I be abating? can you be abating? can he be abating? can we be abating? can you be abating? can they be abating?
Perfect
can I have abated? can you have abated? can he have abated? can we have abated? can you have abated? can they have abated?
V-ing perfect
can I have been abating? can you have been abating? can he have been abating? can we have been abating? can you have been abating? can they have been abating?
Interro-negative form
Simple form
can I not abate? can you not abate? can he not abate? can we not abate? can you not abate? can they not abate?
V-ing form
can I not be abating? can you not be abating? can he not be abating? can we not be abating? can you not be abating? can they not be abating?
Perfect
can I not have abated? can you not have abated? can he not have abated? can we not have abated? can you not have abated? can they not have abated?
V-ing perfect
can I not have been abating? can you not have been abating? can he not have been abating? can we not have been abating? can you not have been abating? can they not have been abating?