could trumpet
Regular verb: trumpet - trumpeted- trumpeted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could trumpet
you could trumpet
he could trumpet
we could trumpet
you could trumpet
they could trumpet 	I could be trumpeting
you could be trumpeting
he could be trumpeting
we could be trumpeting
you could be trumpeting
they could be trumpeting	I could have trumpeted
you could have trumpeted
he could have trumpeted
we could have trumpeted
you could have trumpeted
they could have trumpeted	I could have been trumpeting
you could have been trumpeting
he could have been trumpeting
we could have been trumpeting
you could have been trumpeting
they could have been trumpeting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't trumpet
you couldn't trumpet
he couldn't trumpet
we couldn't trumpet
you couldn't trumpet
they couldn't trumpet 	I couldn't be trumpeting
you couldn't be trumpeting
he couldn't be trumpeting
we couldn't be trumpeting
you couldn't be trumpeting
they couldn't be trumpeting	I couldn't have trumpeted
you couldn't have trumpeted
he couldn't have trumpeted
we couldn't have trumpeted
you couldn't have trumpeted
they couldn't have trumpeted	I couldn't have been trumpeting
you couldn't have been trumpeting
he couldn't have been trumpeting
we couldn't have been trumpeting
you couldn't have been trumpeting
they couldn't have been trumpeting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I trumpet?
could you trumpet?
could he trumpet?
could we trumpet?
could you trumpet?
could they trumpet? 	could I be trumpeting?
could you be trumpeting?
could he be trumpeting?
could we be trumpeting?
could you be trumpeting?
could they be trumpeting? 	could I have trumpeted?
could you have trumpeted?
could he have trumpeted?
could we have trumpeted?
could you have trumpeted?
could they have trumpeted? 	could I have been trumpeting?
could you have been trumpeting?
could he have been trumpeting?
could we have been trumpeting?
could you have been trumpeting?
could they have been trumpeting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I trumpet?
couldn't you trumpet?
couldn't he trumpet?
couldn't we trumpet?
couldn't you trumpet?
couldn't they trumpet? 	couldn't I be trumpeting?
couldn't you be trumpeting?
couldn't he be trumpeting?
couldn't we be trumpeting?
couldn't you be trumpeting?
couldn't they be trumpeting? 	couldn't I have trumpeted?
couldn't you have trumpeted?
couldn't he have trumpeted?
couldn't we have trumpeted?
couldn't you have trumpeted?
couldn't they have trumpeted? 	couldn't I have been trumpeting?
couldn't you have been trumpeting?
couldn't he have been trumpeting?
couldn't we have been trumpeting?
couldn't you have been trumpeting?
couldn't they have been trumpeting?