could herald
Regular verb: herald - heralded- heralded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could herald
you could herald
she could herald
we could herald
you could herald
they could herald 	I could be heralding
you could be heralding
she could be heralding
we could be heralding
you could be heralding
they could be heralding	I could have heralded
you could have heralded
she 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
she 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
she 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
she 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
she 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
she 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 she herald?
could we herald?
could you herald?
could they herald? 	could I be heralding?
could you be heralding?
could she be heralding?
could we be heralding?
could you be heralding?
could they be heralding? 	could I have heralded?
could you have heralded?
could she 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 she 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 she 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 she 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 she 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 she have been heralding?
couldn't we have been heralding?
couldn't you have been heralding?
couldn't they have been heralding?