could gape
Regular verb: gape - gaped- gaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gape
you could gape
he could gape
we could gape
you could gape
they could gape 	I could be gaping
you could be gaping
he could be gaping
we could be gaping
you could be gaping
they could be gaping	I could have gaped
you could have gaped
he could have gaped
we could have gaped
you could have gaped
they could have gaped	I could have been gaping
you could have been gaping
he could have been gaping
we could have been gaping
you could have been gaping
they could have been gaping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not gape
you could not gape
he could not gape
we could not gape
you could not gape
they could not gape 	I could not be gaping
you could not be gaping
he could not be gaping
we could not be gaping
you could not be gaping
they could not be gaping	I could not have gaped
you could not have gaped
he could not have gaped
we could not have gaped
you could not have gaped
they could not have gaped	I could not have been gaping
you could not have been gaping
he could not have been gaping
we could not have been gaping
you could not have been gaping
they could not have been gaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gape?
could you gape?
could he gape?
could we gape?
could you gape?
could they gape? 	could I be gaping?
could you be gaping?
could he be gaping?
could we be gaping?
could you be gaping?
could they be gaping? 	could I have gaped?
could you have gaped?
could he have gaped?
could we have gaped?
could you have gaped?
could they have gaped? 	could I have been gaping?
could you have been gaping?
could he have been gaping?
could we have been gaping?
could you have been gaping?
could they have been gaping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not gape?
could you not gape?
could he not gape?
could we not gape?
could you not gape?
could they not gape? 	could I not be gaping?
could you not be gaping?
could he not be gaping?
could we not be gaping?
could you not be gaping?
could they not be gaping? 	could I not have gaped?
could you not have gaped?
could he not have gaped?
could we not have gaped?
could you not have gaped?
could they not have gaped? 	could I not have been gaping?
could you not have been gaping?
could he not have been gaping?
could we not have been gaping?
could you not have been gaping?
could they not have been gaping?