can commentate
Regular verb: commentate - commentated- commentated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can commentate
you can commentate
he can commentate
we can commentate
you can commentate
they can commentate 	I can be commentating
you can be commentating
he can be commentating
we can be commentating
you can be commentating
they can be commentating	I can have commentated
you can have commentated
he can have commentated
we can have commentated
you can have commentated
they can have commentated	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 	V-ing form 	Perfect 	V-ing perfect 	
I can't commentate
you can't commentate
he can't commentate
we can't commentate
you can't commentate
they can't commentate 	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	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	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 	V-ing form 	Perfect 	V-ing perfect 	
can I commentate?
can you commentate?
can he commentate?
can we commentate?
can you commentate?
can they commentate? 	can I be commentating?
can you be commentating?
can he be commentating?
can we be commentating?
can you be commentating?
can they be commentating? 	can I have commentated?
can you have commentated?
can he have commentated?
can we have commentated?
can you have commentated?
can they have commentated? 	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 	V-ing form 	Perfect 	V-ing perfect 	
can't I commentate?
can't you commentate?
can't he commentate?
can't we commentate?
can't you commentate?
can't they commentate? 	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? 	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? 	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?