I can commentate you can commentate he can commentate we can commentate you can commentate they can commentate
V-ing form
I can be commentating you can be commentating he can be commentating we can be commentating you can be commentating they can be commentating
Perfect
I can have commentated you can have commentated he can have commentated we can have commentated you can have commentated they can have commentated
V-ing perfect
I can have been commentating you can have been commentating he can have been commentating we can have been commentating you can have been commentating they can have been commentating
Negation
Simple form
I can't commentate you can't commentate he can't commentate we can't commentate you can't commentate they can't commentate
V-ing form
I can't be commentating you can't be commentating he can't be commentating we can't be commentating you can't be commentating they can't be commentating
Perfect
I can't have commentated you can't have commentated he can't have commentated we can't have commentated you can't have commentated they can't have commentated
V-ing perfect
I can't have been commentating you can't have been commentating he can't have been commentating we can't have been commentating you can't have been commentating they can't have been commentating
Interrogative form
Simple form
can I commentate? can you commentate? can he commentate? can we commentate? can you commentate? can they commentate?
V-ing form
can I be commentating? can you be commentating? can he be commentating? can we be commentating? can you be commentating? can they be commentating?
Perfect
can I have commentated? can you have commentated? can he have commentated? can we have commentated? can you have commentated? can they have commentated?
V-ing perfect
can I have been commentating? can you have been commentating? can he have been commentating? can we have been commentating? can you have been commentating? can they have been commentating?
Interro-negative form
Simple form
can't I commentate? can't you commentate? can't he commentate? can't we commentate? can't you commentate? can't they commentate?
V-ing form
can't I be commentating? can't you be commentating? can't he be commentating? can't we be commentating? can't you be commentating? can't they be commentating?
Perfect
can't I have commentated? can't you have commentated? can't he have commentated? can't we have commentated? can't you have commentated? can't they have commentated?
V-ing perfect
can't I have been commentating? can't you have been commentating? can't he have been commentating? can't we have been commentating? can't you have been commentating? can't they have been commentating?