could crown
Regular verb: crown - crowned- crowned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could crown
you could crown
she could crown
we could crown
you could crown
they could crown 	I could be crowning
you could be crowning
she could be crowning
we could be crowning
you could be crowning
they could be crowning	I could have crowned
you could have crowned
she could have crowned
we could have crowned
you could have crowned
they could have crowned	I could have been crowning
you could have been crowning
she could have been crowning
we could have been crowning
you could have been crowning
they could have been crowning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't crown
you couldn't crown
she couldn't crown
we couldn't crown
you couldn't crown
they couldn't crown 	I couldn't be crowning
you couldn't be crowning
she couldn't be crowning
we couldn't be crowning
you couldn't be crowning
they couldn't be crowning	I couldn't have crowned
you couldn't have crowned
she couldn't have crowned
we couldn't have crowned
you couldn't have crowned
they couldn't have crowned	I couldn't have been crowning
you couldn't have been crowning
she couldn't have been crowning
we couldn't have been crowning
you couldn't have been crowning
they couldn't have been crowning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I crown?
could you crown?
could she crown?
could we crown?
could you crown?
could they crown? 	could I be crowning?
could you be crowning?
could she be crowning?
could we be crowning?
could you be crowning?
could they be crowning? 	could I have crowned?
could you have crowned?
could she have crowned?
could we have crowned?
could you have crowned?
could they have crowned? 	could I have been crowning?
could you have been crowning?
could she have been crowning?
could we have been crowning?
could you have been crowning?
could they have been crowning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I crown?
couldn't you crown?
couldn't she crown?
couldn't we crown?
couldn't you crown?
couldn't they crown? 	couldn't I be crowning?
couldn't you be crowning?
couldn't she be crowning?
couldn't we be crowning?
couldn't you be crowning?
couldn't they be crowning? 	couldn't I have crowned?
couldn't you have crowned?
couldn't she have crowned?
couldn't we have crowned?
couldn't you have crowned?
couldn't they have crowned? 	couldn't I have been crowning?
couldn't you have been crowning?
couldn't she have been crowning?
couldn't we have been crowning?
couldn't you have been crowning?
couldn't they have been crowning?