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 cannot scrump you cannot scrump he cannot scrump we cannot scrump you cannot scrump they cannot scrump	I cannot be scrumping you cannot be scrumping he cannot be scrumping we cannot be scrumping you cannot be scrumping they cannot be scrumping
Perfect	V-ing perfect
I cannot have scrumped you cannot have scrumped he cannot have scrumped we cannot have scrumped you cannot have scrumped they cannot have scrumped	I cannot have been scrumping you cannot have been scrumping he cannot have been scrumping we cannot have been scrumping you cannot have been scrumping they cannot 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 I not scrump? can you not scrump? can he not scrump? can we not scrump? can you not scrump? can they not scrump?	can I not be scrumping? can you not be scrumping? can he not be scrumping? can we not be scrumping? can you not be scrumping? can they not be scrumping?
Perfect	V-ing perfect
can I not have scrumped? can you not have scrumped? can he not have scrumped? can we not have scrumped? can you not have scrumped? can they not have scrumped?	can I not have been scrumping? can you not have been scrumping? can he not have been scrumping? can we not have been scrumping? can you not have been scrumping? can they not have been scrumping?