can cascade
Regular verb: cascade - cascaded- cascaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can cascade
you can cascade
she can cascade
we can cascade
you can cascade
they can cascade 	I can be cascading
you can be cascading
she can be cascading
we can be cascading
you can be cascading
they can be cascading	I can have cascaded
you can have cascaded
she can have cascaded
we can have cascaded
you can have cascaded
they can have cascaded	I can have been cascading
you can have been cascading
she can have been cascading
we can have been cascading
you can have been cascading
they can have been cascading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't cascade
you can't cascade
she can't cascade
we can't cascade
you can't cascade
they can't cascade 	I can't be cascading
you can't be cascading
she can't be cascading
we can't be cascading
you can't be cascading
they can't be cascading	I can't have cascaded
you can't have cascaded
she can't have cascaded
we can't have cascaded
you can't have cascaded
they can't have cascaded	I can't have been cascading
you can't have been cascading
she can't have been cascading
we can't have been cascading
you can't have been cascading
they can't have been cascading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I cascade?
can you cascade?
can she cascade?
can we cascade?
can you cascade?
can they cascade? 	can I be cascading?
can you be cascading?
can she be cascading?
can we be cascading?
can you be cascading?
can they be cascading? 	can I have cascaded?
can you have cascaded?
can she have cascaded?
can we have cascaded?
can you have cascaded?
can they have cascaded? 	can I have been cascading?
can you have been cascading?
can she have been cascading?
can we have been cascading?
can you have been cascading?
can they have been cascading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I cascade?
can't you cascade?
can't she cascade?
can't we cascade?
can't you cascade?
can't they cascade? 	can't I be cascading?
can't you be cascading?
can't she be cascading?
can't we be cascading?
can't you be cascading?
can't they be cascading? 	can't I have cascaded?
can't you have cascaded?
can't she have cascaded?
can't we have cascaded?
can't you have cascaded?
can't they have cascaded? 	can't I have been cascading?
can't you have been cascading?
can't she have been cascading?
can't we have been cascading?
can't you have been cascading?
can't they have been cascading?