English verb conjugation
CAN RADIO

Regular verb: radio - radioed - radioed

Affirmation

Simple form	V-ing form
I can radio you can radio he can radio we can radio you can radio they can radio	I can be radioing you can be radioing he can be radioing we can be radioing you can be radioing they can be radioing
Perfect	V-ing perfect
I can have radioed you can have radioed he can have radioed we can have radioed you can have radioed they can have radioed	I can have been radioing you can have been radioing he can have been radioing we can have been radioing you can have been radioing they can have been radioing

Negation

Simple form	V-ing form
I can't radio you can't radio he can't radio we can't radio you can't radio they can't radio	I can't be radioing you can't be radioing he can't be radioing we can't be radioing you can't be radioing they can't be radioing
Perfect	V-ing perfect
I can't have radioed you can't have radioed he can't have radioed we can't have radioed you can't have radioed they can't have radioed	I can't have been radioing you can't have been radioing he can't have been radioing we can't have been radioing you can't have been radioing they can't have been radioing

Interrogative form

Simple form	V-ing form
can I radio? can you radio? can he radio? can we radio? can you radio? can they radio?	can I be radioing? can you be radioing? can he be radioing? can we be radioing? can you be radioing? can they be radioing?
Perfect	V-ing perfect
can I have radioed? can you have radioed? can he have radioed? can we have radioed? can you have radioed? can they have radioed?	can I have been radioing? can you have been radioing? can he have been radioing? can we have been radioing? can you have been radioing? can they have been radioing?

Interro-negative form

Simple form	V-ing form
can't I radio? can't you radio? can't he radio? can't we radio? can't you radio? can't they radio?	can't I be radioing? can't you be radioing? can't he be radioing? can't we be radioing? can't you be radioing? can't they be radioing?
Perfect	V-ing perfect
can't I have radioed? can't you have radioed? can't he have radioed? can't we have radioed? can't you have radioed? can't they have radioed?	can't I have been radioing? can't you have been radioing? can't he have been radioing? can't we have been radioing? can't you have been radioing? can't they have been radioing?