could gape
Regular verb: gape - gaped- gaped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could gape
you could gape
she could gape
we could gape
you could gape
they could gape 	I could be gaping
you could be gaping
she could be gaping
we could be gaping
you could be gaping
they could be gaping	I could have gaped
you could have gaped
she 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
she 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 couldn't gape
you couldn't gape
she couldn't gape
we couldn't gape
you couldn't gape
they couldn't gape 	I couldn't be gaping
you couldn't be gaping
she couldn't be gaping
we couldn't be gaping
you couldn't be gaping
they couldn't be gaping	I couldn't have gaped
you couldn't have gaped
she couldn't have gaped
we couldn't have gaped
you couldn't have gaped
they couldn't have gaped	I couldn't have been gaping
you couldn't have been gaping
she couldn't have been gaping
we couldn't have been gaping
you couldn't have been gaping
they couldn't have been gaping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I gape?
could you gape?
could she gape?
could we gape?
could you gape?
could they gape? 	could I be gaping?
could you be gaping?
could she be gaping?
could we be gaping?
could you be gaping?
could they be gaping? 	could I have gaped?
could you have gaped?
could she 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 she 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 	
couldn't I gape?
couldn't you gape?
couldn't she gape?
couldn't we gape?
couldn't you gape?
couldn't they gape? 	couldn't I be gaping?
couldn't you be gaping?
couldn't she be gaping?
couldn't we be gaping?
couldn't you be gaping?
couldn't they be gaping? 	couldn't I have gaped?
couldn't you have gaped?
couldn't she have gaped?
couldn't we have gaped?
couldn't you have gaped?
couldn't they have gaped? 	couldn't I have been gaping?
couldn't you have been gaping?
couldn't she have been gaping?
couldn't we have been gaping?
couldn't you have been gaping?
couldn't they have been gaping?