could bonnet
Regular verb: bonnet - bonneted- bonneted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could bonnet
you could bonnet
he could bonnet
we could bonnet
you could bonnet
they could bonnet 	I could be bonneting
you could be bonneting
he could be bonneting
we could be bonneting
you could be bonneting
they could be bonneting	I could have bonneted
you could have bonneted
he could have bonneted
we could have bonneted
you could have bonneted
they could have bonneted	I could have been bonneting
you could have been bonneting
he could have been bonneting
we could have been bonneting
you could have been bonneting
they could have been bonneting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't bonnet
you couldn't bonnet
he couldn't bonnet
we couldn't bonnet
you couldn't bonnet
they couldn't bonnet 	I couldn't be bonneting
you couldn't be bonneting
he couldn't be bonneting
we couldn't be bonneting
you couldn't be bonneting
they couldn't be bonneting	I couldn't have bonneted
you couldn't have bonneted
he couldn't have bonneted
we couldn't have bonneted
you couldn't have bonneted
they couldn't have bonneted	I couldn't have been bonneting
you couldn't have been bonneting
he couldn't have been bonneting
we couldn't have been bonneting
you couldn't have been bonneting
they couldn't have been bonneting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I bonnet?
could you bonnet?
could he bonnet?
could we bonnet?
could you bonnet?
could they bonnet? 	could I be bonneting?
could you be bonneting?
could he be bonneting?
could we be bonneting?
could you be bonneting?
could they be bonneting? 	could I have bonneted?
could you have bonneted?
could he have bonneted?
could we have bonneted?
could you have bonneted?
could they have bonneted? 	could I have been bonneting?
could you have been bonneting?
could he have been bonneting?
could we have been bonneting?
could you have been bonneting?
could they have been bonneting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I bonnet?
couldn't you bonnet?
couldn't he bonnet?
couldn't we bonnet?
couldn't you bonnet?
couldn't they bonnet? 	couldn't I be bonneting?
couldn't you be bonneting?
couldn't he be bonneting?
couldn't we be bonneting?
couldn't you be bonneting?
couldn't they be bonneting? 	couldn't I have bonneted?
couldn't you have bonneted?
couldn't he have bonneted?
couldn't we have bonneted?
couldn't you have bonneted?
couldn't they have bonneted? 	couldn't I have been bonneting?
couldn't you have been bonneting?
couldn't he have been bonneting?
couldn't we have been bonneting?
couldn't you have been bonneting?
couldn't they have been bonneting?