I can utilize you can utilize he can utilize we can utilize you can utilize they can utilize
V-ing form
I can be utilizing you can be utilizing he can be utilizing we can be utilizing you can be utilizing they can be utilizing
Perfect
I can have utilized you can have utilized he can have utilized we can have utilized you can have utilized they can have utilized
V-ing perfect
I can have been utilizing you can have been utilizing he can have been utilizing we can have been utilizing you can have been utilizing they can have been utilizing
Negation
Simple form
I cannot utilize you cannot utilize he cannot utilize we cannot utilize you cannot utilize they cannot utilize
V-ing form
I cannot be utilizing you cannot be utilizing he cannot be utilizing we cannot be utilizing you cannot be utilizing they cannot be utilizing
Perfect
I cannot have utilized you cannot have utilized he cannot have utilized we cannot have utilized you cannot have utilized they cannot have utilized
V-ing perfect
I cannot have been utilizing you cannot have been utilizing he cannot have been utilizing we cannot have been utilizing you cannot have been utilizing they cannot have been utilizing
Interrogative form
Simple form
can I utilize? can you utilize? can he utilize? can we utilize? can you utilize? can they utilize?
V-ing form
can I be utilizing? can you be utilizing? can he be utilizing? can we be utilizing? can you be utilizing? can they be utilizing?
Perfect
can I have utilized? can you have utilized? can he have utilized? can we have utilized? can you have utilized? can they have utilized?
V-ing perfect
can I have been utilizing? can you have been utilizing? can he have been utilizing? can we have been utilizing? can you have been utilizing? can they have been utilizing?
Interro-negative form
Simple form
can I not utilize? can you not utilize? can he not utilize? can we not utilize? can you not utilize? can they not utilize?
V-ing form
can I not be utilizing? can you not be utilizing? can he not be utilizing? can we not be utilizing? can you not be utilizing? can they not be utilizing?
Perfect
can I not have utilized? can you not have utilized? can he not have utilized? can we not have utilized? can you not have utilized? can they not have utilized?
V-ing perfect
can I not have been utilizing? can you not have been utilizing? can he not have been utilizing? can we not have been utilizing? can you not have been utilizing? can they not have been utilizing?