could slalom
Regular verb: slalom - slalomed- slalomed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could slalom
you could slalom
he could slalom
we could slalom
you could slalom
they could slalom 	I could be slaloming
you could be slaloming
he could be slaloming
we could be slaloming
you could be slaloming
they could be slaloming	I could have slalomed
you could have slalomed
he could have slalomed
we could have slalomed
you could have slalomed
they could have slalomed	I could have been slaloming
you could have been slaloming
he could have been slaloming
we could have been slaloming
you could have been slaloming
they could have been slaloming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not slalom
you could not slalom
he could not slalom
we could not slalom
you could not slalom
they could not slalom 	I could not be slaloming
you could not be slaloming
he could not be slaloming
we could not be slaloming
you could not be slaloming
they could not be slaloming	I could not have slalomed
you could not have slalomed
he could not have slalomed
we could not have slalomed
you could not have slalomed
they could not have slalomed	I could not have been slaloming
you could not have been slaloming
he could not have been slaloming
we could not have been slaloming
you could not have been slaloming
they could not have been slaloming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I slalom?
could you slalom?
could he slalom?
could we slalom?
could you slalom?
could they slalom? 	could I be slaloming?
could you be slaloming?
could he be slaloming?
could we be slaloming?
could you be slaloming?
could they be slaloming? 	could I have slalomed?
could you have slalomed?
could he have slalomed?
could we have slalomed?
could you have slalomed?
could they have slalomed? 	could I have been slaloming?
could you have been slaloming?
could he have been slaloming?
could we have been slaloming?
could you have been slaloming?
could they have been slaloming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not slalom?
could you not slalom?
could he not slalom?
could we not slalom?
could you not slalom?
could they not slalom? 	could I not be slaloming?
could you not be slaloming?
could he not be slaloming?
could we not be slaloming?
could you not be slaloming?
could they not be slaloming? 	could I not have slalomed?
could you not have slalomed?
could he not have slalomed?
could we not have slalomed?
could you not have slalomed?
could they not have slalomed? 	could I not have been slaloming?
could you not have been slaloming?
could he not have been slaloming?
could we not have been slaloming?
could you not have been slaloming?
could they not have been slaloming?