can ice-skate
Regular verb: ice-skate - ice-skated- ice-skated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can ice-skate
you can ice-skate
he can ice-skate
we can ice-skate
you can ice-skate
they can ice-skate 	I can be ice-skating
you can be ice-skating
he can be ice-skating
we can be ice-skating
you can be ice-skating
they can be ice-skating	I can have ice-skated
you can have ice-skated
he can have ice-skated
we can have ice-skated
you can have ice-skated
they can have ice-skated	I can have been ice-skating
you can have been ice-skating
he can have been ice-skating
we can have been ice-skating
you can have been ice-skating
they can have been ice-skating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't ice-skate
you can't ice-skate
he can't ice-skate
we can't ice-skate
you can't ice-skate
they can't ice-skate 	I can't be ice-skating
you can't be ice-skating
he can't be ice-skating
we can't be ice-skating
you can't be ice-skating
they can't be ice-skating	I can't have ice-skated
you can't have ice-skated
he can't have ice-skated
we can't have ice-skated
you can't have ice-skated
they can't have ice-skated	I can't have been ice-skating
you can't have been ice-skating
he can't have been ice-skating
we can't have been ice-skating
you can't have been ice-skating
they can't have been ice-skating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I ice-skate?
can you ice-skate?
can he ice-skate?
can we ice-skate?
can you ice-skate?
can they ice-skate? 	can I be ice-skating?
can you be ice-skating?
can he be ice-skating?
can we be ice-skating?
can you be ice-skating?
can they be ice-skating? 	can I have ice-skated?
can you have ice-skated?
can he have ice-skated?
can we have ice-skated?
can you have ice-skated?
can they have ice-skated? 	can I have been ice-skating?
can you have been ice-skating?
can he have been ice-skating?
can we have been ice-skating?
can you have been ice-skating?
can they have been ice-skating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I ice-skate?
can't you ice-skate?
can't he ice-skate?
can't we ice-skate?
can't you ice-skate?
can't they ice-skate? 	can't I be ice-skating?
can't you be ice-skating?
can't he be ice-skating?
can't we be ice-skating?
can't you be ice-skating?
can't they be ice-skating? 	can't I have ice-skated?
can't you have ice-skated?
can't he have ice-skated?
can't we have ice-skated?
can't you have ice-skated?
can't they have ice-skated? 	can't I have been ice-skating?
can't you have been ice-skating?
can't he have been ice-skating?
can't we have been ice-skating?
can't you have been ice-skating?
can't they have been ice-skating?