can herd
Regular verb: herd - herded- herded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can herd
you can herd
he can herd
we can herd
you can herd
they can herd 	I can be herding
you can be herding
he can be herding
we can be herding
you can be herding
they can be herding	I can have herded
you can have herded
he can have herded
we can have herded
you can have herded
they can have herded	I can have been herding
you can have been herding
he can have been herding
we can have been herding
you can have been herding
they can have been herding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't herd
you can't herd
he can't herd
we can't herd
you can't herd
they can't herd 	I can't be herding
you can't be herding
he can't be herding
we can't be herding
you can't be herding
they can't be herding	I can't have herded
you can't have herded
he can't have herded
we can't have herded
you can't have herded
they can't have herded	I can't have been herding
you can't have been herding
he can't have been herding
we can't have been herding
you can't have been herding
they can't have been herding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I herd?
can you herd?
can he herd?
can we herd?
can you herd?
can they herd? 	can I be herding?
can you be herding?
can he be herding?
can we be herding?
can you be herding?
can they be herding? 	can I have herded?
can you have herded?
can he have herded?
can we have herded?
can you have herded?
can they have herded? 	can I have been herding?
can you have been herding?
can he have been herding?
can we have been herding?
can you have been herding?
can they have been herding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I herd?
can't you herd?
can't he herd?
can't we herd?
can't you herd?
can't they herd? 	can't I be herding?
can't you be herding?
can't he be herding?
can't we be herding?
can't you be herding?
can't they be herding? 	can't I have herded?
can't you have herded?
can't he have herded?
can't we have herded?
can't you have herded?
can't they have herded? 	can't I have been herding?
can't you have been herding?
can't he have been herding?
can't we have been herding?
can't you have been herding?
can't they have been herding?