I can centralize you can centralize he can centralize we can centralize you can centralize they can centralize
V-ing form
I can be centralizing you can be centralizing he can be centralizing we can be centralizing you can be centralizing they can be centralizing
Perfect
I can have centralized you can have centralized he can have centralized we can have centralized you can have centralized they can have centralized
V-ing perfect
I can have been centralizing you can have been centralizing he can have been centralizing we can have been centralizing you can have been centralizing they can have been centralizing
Negation
Simple form
I cannot centralize you cannot centralize he cannot centralize we cannot centralize you cannot centralize they cannot centralize
V-ing form
I cannot be centralizing you cannot be centralizing he cannot be centralizing we cannot be centralizing you cannot be centralizing they cannot be centralizing
Perfect
I cannot have centralized you cannot have centralized he cannot have centralized we cannot have centralized you cannot have centralized they cannot have centralized
V-ing perfect
I cannot have been centralizing you cannot have been centralizing he cannot have been centralizing we cannot have been centralizing you cannot have been centralizing they cannot have been centralizing
Interrogative form
Simple form
can I centralize? can you centralize? can he centralize? can we centralize? can you centralize? can they centralize?
V-ing form
can I be centralizing? can you be centralizing? can he be centralizing? can we be centralizing? can you be centralizing? can they be centralizing?
Perfect
can I have centralized? can you have centralized? can he have centralized? can we have centralized? can you have centralized? can they have centralized?
V-ing perfect
can I have been centralizing? can you have been centralizing? can he have been centralizing? can we have been centralizing? can you have been centralizing? can they have been centralizing?
Interro-negative form
Simple form
can I not centralize? can you not centralize? can he not centralize? can we not centralize? can you not centralize? can they not centralize?
V-ing form
can I not be centralizing? can you not be centralizing? can he not be centralizing? can we not be centralizing? can you not be centralizing? can they not be centralizing?
Perfect
can I not have centralized? can you not have centralized? can he not have centralized? can we not have centralized? can you not have centralized? can they not have centralized?
V-ing perfect
can I not have been centralizing? can you not have been centralizing? can he not have been centralizing? can we not have been centralizing? can you not have been centralizing? can they not have been centralizing?