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 can't opt you can't opt he can't opt we can't opt you can't opt they can't opt	I can't be opting you can't be opting he can't be opting we can't be opting you can't be opting they can't be opting
Perfect	V-ing perfect
I can't have opted you can't have opted he can't have opted we can't have opted you can't have opted they can't have opted	I can't have been opting you can't have been opting he can't have been opting we can't have been opting you can't have been opting they can't 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't I opt? can't you opt? can't he opt? can't we opt? can't you opt? can't they opt?	can't I be opting? can't you be opting? can't he be opting? can't we be opting? can't you be opting? can't they be opting?
Perfect	V-ing perfect
can't I have opted? can't you have opted? can't he have opted? can't we have opted? can't you have opted? can't they have opted?	can't I have been opting? can't you have been opting? can't he have been opting? can't we have been opting? can't you have been opting? can't they have been opting?