English verb conjugation
CAN OPT

Regular verb: opt - opted - opted

Affirmation

Simple form	V-ing form
I can opt you can opt he can opt we can opt you can opt they can opt	I can be opting you can be opting he can be opting we can be opting you can be opting they can be opting
Perfect	V-ing perfect
I can have opted you can have opted he can have opted we can have opted you can have opted they can have opted	I can have been opting you can have been opting he can have been opting we can have been opting you can have been opting they can have been opting

Negation

Simple form	V-ing form
I cannot opt you cannot opt he cannot opt we cannot opt you cannot opt they cannot opt	I cannot be opting you cannot be opting he cannot be opting we cannot be opting you cannot be opting they cannot be opting
Perfect	V-ing perfect
I cannot have opted you cannot have opted he cannot have opted we cannot have opted you cannot have opted they cannot have opted	I cannot have been opting you cannot have been opting he cannot have been opting we cannot have been opting you cannot have been opting they cannot have been opting

Interrogative form

Simple form	V-ing form
can I opt? can you opt? can he opt? can we opt? can you opt? can they opt?	can I be opting? can you be opting? can he be opting? can we be opting? can you be opting? can they be opting?
Perfect	V-ing perfect
can I have opted? can you have opted? can he have opted? can we have opted? can you have opted? can they have opted?	can I have been opting? can you have been opting? can he have been opting? can we have been opting? can you have been opting? can they have been opting?

Interro-negative form

Simple form	V-ing form
can I not opt? can you not opt? can he not opt? can we not opt? can you not opt? can they not opt?	can I not be opting? can you not be opting? can he not be opting? can we not be opting? can you not be opting? can they not be opting?
Perfect	V-ing perfect
can I not have opted? can you not have opted? can he not have opted? can we not have opted? can you not have opted? can they not have opted?	can I not have been opting? can you not have been opting? can he not have been opting? can we not have been opting? can you not have been opting? can they not have been opting?