could escalade
Regular verb: escalade - escaladed- escaladed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could escalade
you could escalade
he could escalade
we could escalade
you could escalade
they could escalade 	I could be escalading
you could be escalading
he could be escalading
we could be escalading
you could be escalading
they could be escalading	I could have escaladed
you could have escaladed
he could have escaladed
we could have escaladed
you could have escaladed
they could have escaladed	I could have been escalading
you could have been escalading
he could have been escalading
we could have been escalading
you could have been escalading
they could have been escalading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not escalade
you could not escalade
he could not escalade
we could not escalade
you could not escalade
they could not escalade 	I could not be escalading
you could not be escalading
he could not be escalading
we could not be escalading
you could not be escalading
they could not be escalading	I could not have escaladed
you could not have escaladed
he could not have escaladed
we could not have escaladed
you could not have escaladed
they could not have escaladed	I could not have been escalading
you could not have been escalading
he could not have been escalading
we could not have been escalading
you could not have been escalading
they could not have been escalading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I escalade?
could you escalade?
could he escalade?
could we escalade?
could you escalade?
could they escalade? 	could I be escalading?
could you be escalading?
could he be escalading?
could we be escalading?
could you be escalading?
could they be escalading? 	could I have escaladed?
could you have escaladed?
could he have escaladed?
could we have escaladed?
could you have escaladed?
could they have escaladed? 	could I have been escalading?
could you have been escalading?
could he have been escalading?
could we have been escalading?
could you have been escalading?
could they have been escalading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not escalade?
could you not escalade?
could he not escalade?
could we not escalade?
could you not escalade?
could they not escalade? 	could I not be escalading?
could you not be escalading?
could he not be escalading?
could we not be escalading?
could you not be escalading?
could they not be escalading? 	could I not have escaladed?
could you not have escaladed?
could he not have escaladed?
could we not have escaladed?
could you not have escaladed?
could they not have escaladed? 	could I not have been escalading?
could you not have been escalading?
could he not have been escalading?
could we not have been escalading?
could you not have been escalading?
could they not have been escalading?