English verb conjugation
CAN SCRUMP

Regular verb: scrump - scrumped - scrumped

Affirmation

Simple form	V-ing form
I can scrump you can scrump he can scrump we can scrump you can scrump they can scrump	I can be scrumping you can be scrumping he can be scrumping we can be scrumping you can be scrumping they can be scrumping
Perfect	V-ing perfect
I can have scrumped you can have scrumped he can have scrumped we can have scrumped you can have scrumped they can have scrumped	I can have been scrumping you can have been scrumping he can have been scrumping we can have been scrumping you can have been scrumping they can have been scrumping

Negation

Simple form	V-ing form
I can't scrump you can't scrump he can't scrump we can't scrump you can't scrump they can't scrump	I can't be scrumping you can't be scrumping he can't be scrumping we can't be scrumping you can't be scrumping they can't be scrumping
Perfect	V-ing perfect
I can't have scrumped you can't have scrumped he can't have scrumped we can't have scrumped you can't have scrumped they can't have scrumped	I can't have been scrumping you can't have been scrumping he can't have been scrumping we can't have been scrumping you can't have been scrumping they can't have been scrumping

Interrogative form

Simple form	V-ing form
can I scrump? can you scrump? can he scrump? can we scrump? can you scrump? can they scrump?	can I be scrumping? can you be scrumping? can he be scrumping? can we be scrumping? can you be scrumping? can they be scrumping?
Perfect	V-ing perfect
can I have scrumped? can you have scrumped? can he have scrumped? can we have scrumped? can you have scrumped? can they have scrumped?	can I have been scrumping? can you have been scrumping? can he have been scrumping? can we have been scrumping? can you have been scrumping? can they have been scrumping?

Interro-negative form

Simple form	V-ing form
can't I scrump? can't you scrump? can't he scrump? can't we scrump? can't you scrump? can't they scrump?	can't I be scrumping? can't you be scrumping? can't he be scrumping? can't we be scrumping? can't you be scrumping? can't they be scrumping?
Perfect	V-ing perfect
can't I have scrumped? can't you have scrumped? can't he have scrumped? can't we have scrumped? can't you have scrumped? can't they have scrumped?	can't I have been scrumping? can't you have been scrumping? can't he have been scrumping? can't we have been scrumping? can't you have been scrumping? can't they have been scrumping?