English verb conjugation
COULD UTILIZE

Regular verb: utilize - utilized - utilized

Affirmation

Simple form	V-ing form
I could utilize you could utilize he could utilize we could utilize you could utilize they could utilize	I could be utilizing you could be utilizing he could be utilizing we could be utilizing you could be utilizing they could be utilizing
Perfect	V-ing perfect
I could have utilized you could have utilized he could have utilized we could have utilized you could have utilized they could have utilized	I could have been utilizing you could have been utilizing he could have been utilizing we could have been utilizing you could have been utilizing they could have been utilizing

Negation

Simple form	V-ing form
I couldn't utilize you couldn't utilize he couldn't utilize we couldn't utilize you couldn't utilize they couldn't utilize	I couldn't be utilizing you couldn't be utilizing he couldn't be utilizing we couldn't be utilizing you couldn't be utilizing they couldn't be utilizing
Perfect	V-ing perfect
I couldn't have utilized you couldn't have utilized he couldn't have utilized we couldn't have utilized you couldn't have utilized they couldn't have utilized	I couldn't have been utilizing you couldn't have been utilizing he couldn't have been utilizing we couldn't have been utilizing you couldn't have been utilizing they couldn't have been utilizing

Interrogative form

Simple form	V-ing form
could I utilize? could you utilize? could he utilize? could we utilize? could you utilize? could they utilize?	could I be utilizing? could you be utilizing? could he be utilizing? could we be utilizing? could you be utilizing? could they be utilizing?
Perfect	V-ing perfect
could I have utilized? could you have utilized? could he have utilized? could we have utilized? could you have utilized? could they have utilized?	could I have been utilizing? could you have been utilizing? could he have been utilizing? could we have been utilizing? could you have been utilizing? could they have been utilizing?

Interro-negative form

Simple form	V-ing form
couldn't I utilize? couldn't you utilize? couldn't he utilize? couldn't we utilize? couldn't you utilize? couldn't they utilize?	couldn't I be utilizing? couldn't you be utilizing? couldn't he be utilizing? couldn't we be utilizing? couldn't you be utilizing? couldn't they be utilizing?
Perfect	V-ing perfect
couldn't I have utilized? couldn't you have utilized? couldn't he have utilized? couldn't we have utilized? couldn't you have utilized? couldn't they have utilized?	couldn't I have been utilizing? couldn't you have been utilizing? couldn't he have been utilizing? couldn't we have been utilizing? couldn't you have been utilizing? couldn't they have been utilizing?