could glance
Regular verb: glance - glanced- glanced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could glance
you could glance
he could glance
we could glance
you could glance
they could glance 	I could be glancing
you could be glancing
he could be glancing
we could be glancing
you could be glancing
they could be glancing	I could have glanced
you could have glanced
he could have glanced
we could have glanced
you could have glanced
they could have glanced	I could have been glancing
you could have been glancing
he could have been glancing
we could have been glancing
you could have been glancing
they could have been glancing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not glance
you could not glance
he could not glance
we could not glance
you could not glance
they could not glance 	I could not be glancing
you could not be glancing
he could not be glancing
we could not be glancing
you could not be glancing
they could not be glancing	I could not have glanced
you could not have glanced
he could not have glanced
we could not have glanced
you could not have glanced
they could not have glanced	I could not have been glancing
you could not have been glancing
he could not have been glancing
we could not have been glancing
you could not have been glancing
they could not have been glancing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I glance?
could you glance?
could he glance?
could we glance?
could you glance?
could they glance? 	could I be glancing?
could you be glancing?
could he be glancing?
could we be glancing?
could you be glancing?
could they be glancing? 	could I have glanced?
could you have glanced?
could he have glanced?
could we have glanced?
could you have glanced?
could they have glanced? 	could I have been glancing?
could you have been glancing?
could he have been glancing?
could we have been glancing?
could you have been glancing?
could they have been glancing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not glance?
could you not glance?
could he not glance?
could we not glance?
could you not glance?
could they not glance? 	could I not be glancing?
could you not be glancing?
could he not be glancing?
could we not be glancing?
could you not be glancing?
could they not be glancing? 	could I not have glanced?
could you not have glanced?
could he not have glanced?
could we not have glanced?
could you not have glanced?
could they not have glanced? 	could I not have been glancing?
could you not have been glancing?
could he not have been glancing?
could we not have been glancing?
could you not have been glancing?
could they not have been glancing?