I can commercialize you can commercialize he can commercialize we can commercialize you can commercialize they can commercialize
V-ing form
I can be commercializing you can be commercializing he can be commercializing we can be commercializing you can be commercializing they can be commercializing
Perfect
I can have commercialized you can have commercialized he can have commercialized we can have commercialized you can have commercialized they can have commercialized
V-ing perfect
I can have been commercializing you can have been commercializing he can have been commercializing we can have been commercializing you can have been commercializing they can have been commercializing
Negation
Simple form
I cannot commercialize you cannot commercialize he cannot commercialize we cannot commercialize you cannot commercialize they cannot commercialize
V-ing form
I cannot be commercializing you cannot be commercializing he cannot be commercializing we cannot be commercializing you cannot be commercializing they cannot be commercializing
Perfect
I cannot have commercialized you cannot have commercialized he cannot have commercialized we cannot have commercialized you cannot have commercialized they cannot have commercialized
V-ing perfect
I cannot have been commercializing you cannot have been commercializing he cannot have been commercializing we cannot have been commercializing you cannot have been commercializing they cannot have been commercializing
Interrogative form
Simple form
can I commercialize? can you commercialize? can he commercialize? can we commercialize? can you commercialize? can they commercialize?
V-ing form
can I be commercializing? can you be commercializing? can he be commercializing? can we be commercializing? can you be commercializing? can they be commercializing?
Perfect
can I have commercialized? can you have commercialized? can he have commercialized? can we have commercialized? can you have commercialized? can they have commercialized?
V-ing perfect
can I have been commercializing? can you have been commercializing? can he have been commercializing? can we have been commercializing? can you have been commercializing? can they have been commercializing?
Interro-negative form
Simple form
can I not commercialize? can you not commercialize? can he not commercialize? can we not commercialize? can you not commercialize? can they not commercialize?
V-ing form
can I not be commercializing? can you not be commercializing? can he not be commercializing? can we not be commercializing? can you not be commercializing? can they not be commercializing?
Perfect
can I not have commercialized? can you not have commercialized? can he not have commercialized? can we not have commercialized? can you not have commercialized? can they not have commercialized?
V-ing perfect
can I not have been commercializing? can you not have been commercializing? can he not have been commercializing? can we not have been commercializing? can you not have been commercializing? can they not have been commercializing?