could herald
Regular verb: herald - heralded- heralded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could herald
you could herald
he could herald
we could herald
you could herald
they could herald 	I could be heralding
you could be heralding
he could be heralding
we could be heralding
you could be heralding
they could be heralding	I could have heralded
you could have heralded
he could have heralded
we could have heralded
you could have heralded
they could have heralded	I could have been heralding
you could have been heralding
he could have been heralding
we could have been heralding
you could have been heralding
they could have been heralding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't herald
you couldn't herald
he couldn't herald
we couldn't herald
you couldn't herald
they couldn't herald 	I couldn't be heralding
you couldn't be heralding
he couldn't be heralding
we couldn't be heralding
you couldn't be heralding
they couldn't be heralding	I couldn't have heralded
you couldn't have heralded
he couldn't have heralded
we couldn't have heralded
you couldn't have heralded
they couldn't have heralded	I couldn't have been heralding
you couldn't have been heralding
he couldn't have been heralding
we couldn't have been heralding
you couldn't have been heralding
they couldn't have been heralding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I herald?
could you herald?
could he herald?
could we herald?
could you herald?
could they herald? 	could I be heralding?
could you be heralding?
could he be heralding?
could we be heralding?
could you be heralding?
could they be heralding? 	could I have heralded?
could you have heralded?
could he have heralded?
could we have heralded?
could you have heralded?
could they have heralded? 	could I have been heralding?
could you have been heralding?
could he have been heralding?
could we have been heralding?
could you have been heralding?
could they have been heralding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I herald?
couldn't you herald?
couldn't he herald?
couldn't we herald?
couldn't you herald?
couldn't they herald? 	couldn't I be heralding?
couldn't you be heralding?
couldn't he be heralding?
couldn't we be heralding?
couldn't you be heralding?
couldn't they be heralding? 	couldn't I have heralded?
couldn't you have heralded?
couldn't he have heralded?
couldn't we have heralded?
couldn't you have heralded?
couldn't they have heralded? 	couldn't I have been heralding?
couldn't you have been heralding?
couldn't he have been heralding?
couldn't we have been heralding?
couldn't you have been heralding?
couldn't they have been heralding?