can seed
Regular verb: seed - seeded- seeded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can seed
you can seed
he can seed
we can seed
you can seed
they can seed 	I can be seeding
you can be seeding
he can be seeding
we can be seeding
you can be seeding
they can be seeding	I can have seeded
you can have seeded
he can have seeded
we can have seeded
you can have seeded
they can have seeded	I can have been seeding
you can have been seeding
he can have been seeding
we can have been seeding
you can have been seeding
they can have been seeding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't seed
you can't seed
he can't seed
we can't seed
you can't seed
they can't seed 	I can't be seeding
you can't be seeding
he can't be seeding
we can't be seeding
you can't be seeding
they can't be seeding	I can't have seeded
you can't have seeded
he can't have seeded
we can't have seeded
you can't have seeded
they can't have seeded	I can't have been seeding
you can't have been seeding
he can't have been seeding
we can't have been seeding
you can't have been seeding
they can't have been seeding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I seed?
can you seed?
can he seed?
can we seed?
can you seed?
can they seed? 	can I be seeding?
can you be seeding?
can he be seeding?
can we be seeding?
can you be seeding?
can they be seeding? 	can I have seeded?
can you have seeded?
can he have seeded?
can we have seeded?
can you have seeded?
can they have seeded? 	can I have been seeding?
can you have been seeding?
can he have been seeding?
can we have been seeding?
can you have been seeding?
can they have been seeding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I seed?
can't you seed?
can't he seed?
can't we seed?
can't you seed?
can't they seed? 	can't I be seeding?
can't you be seeding?
can't he be seeding?
can't we be seeding?
can't you be seeding?
can't they be seeding? 	can't I have seeded?
can't you have seeded?
can't he have seeded?
can't we have seeded?
can't you have seeded?
can't they have seeded? 	can't I have been seeding?
can't you have been seeding?
can't he have been seeding?
can't we have been seeding?
can't you have been seeding?
can't they have been seeding?