could dash
Regular verb: dash - dashed- dashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could dash
you could dash
he could dash
we could dash
you could dash
they could dash 	I could be dashing
you could be dashing
he could be dashing
we could be dashing
you could be dashing
they could be dashing	I could have dashed
you could have dashed
he could have dashed
we could have dashed
you could have dashed
they could have dashed	I could have been dashing
you could have been dashing
he could have been dashing
we could have been dashing
you could have been dashing
they could have been dashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not dash
you could not dash
he could not dash
we could not dash
you could not dash
they could not dash 	I could not be dashing
you could not be dashing
he could not be dashing
we could not be dashing
you could not be dashing
they could not be dashing	I could not have dashed
you could not have dashed
he could not have dashed
we could not have dashed
you could not have dashed
they could not have dashed	I could not have been dashing
you could not have been dashing
he could not have been dashing
we could not have been dashing
you could not have been dashing
they could not have been dashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I dash?
could you dash?
could he dash?
could we dash?
could you dash?
could they dash? 	could I be dashing?
could you be dashing?
could he be dashing?
could we be dashing?
could you be dashing?
could they be dashing? 	could I have dashed?
could you have dashed?
could he have dashed?
could we have dashed?
could you have dashed?
could they have dashed? 	could I have been dashing?
could you have been dashing?
could he have been dashing?
could we have been dashing?
could you have been dashing?
could they have been dashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not dash?
could you not dash?
could he not dash?
could we not dash?
could you not dash?
could they not dash? 	could I not be dashing?
could you not be dashing?
could he not be dashing?
could we not be dashing?
could you not be dashing?
could they not be dashing? 	could I not have dashed?
could you not have dashed?
could he not have dashed?
could we not have dashed?
could you not have dashed?
could they not have dashed? 	could I not have been dashing?
could you not have been dashing?
could he not have been dashing?
could we not have been dashing?
could you not have been dashing?
could they not have been dashing?