English verb conjugation
SHOULD SCUMBLE

Regular verb: scumble - scumbled - scumbled

Affirmation

Simple form	V-ing form
I should scumble you should scumble he should scumble we should scumble you should scumble they should scumble	I should be scumbling you should be scumbling he should be scumbling we should be scumbling you should be scumbling they should be scumbling
Perfect	V-ing perfect
I should have scumbled you should have scumbled he should have scumbled we should have scumbled you should have scumbled they should have scumbled	I should have been scumbling you should have been scumbling he should have been scumbling we should have been scumbling you should have been scumbling they should have been scumbling

Negation

Simple form	V-ing form
I should not scumble you should not scumble he should not scumble we should not scumble you should not scumble they should not scumble	I should not be scumbling you should not be scumbling he should not be scumbling we should not be scumbling you should not be scumbling they should not be scumbling
Perfect	V-ing perfect
I should not have scumbled you should not have scumbled he should not have scumbled we should not have scumbled you should not have scumbled they should not have scumbled	I should not have been scumbling you should not have been scumbling he should not have been scumbling we should not have been scumbling you should not have been scumbling they should not have been scumbling

Interrogative form

Simple form	V-ing form
should I scumble? should you scumble? should he scumble? should we scumble? should you scumble? should they scumble?	should I be scumbling? should you be scumbling? should he be scumbling? should we be scumbling? should you be scumbling? should they be scumbling?
Perfect	V-ing perfect
should I have scumbled? should you have scumbled? should he have scumbled? should we have scumbled? should you have scumbled? should they have scumbled?	should I have been scumbling? should you have been scumbling? should he have been scumbling? should we have been scumbling? should you have been scumbling? should they have been scumbling?

Interro-negative form

Simple form	V-ing form
should I not scumble? should you not scumble? should he not scumble? should we not scumble? should you not scumble? should they not scumble?	should I not be scumbling? should you not be scumbling? should he not be scumbling? should we not be scumbling? should you not be scumbling? should they not be scumbling?
Perfect	V-ing perfect
should I not have scumbled? should you not have scumbled? should he not have scumbled? should we not have scumbled? should you not have scumbled? should they not have scumbled?	should I not have been scumbling? should you not have been scumbling? should he not have been scumbling? should we not have been scumbling? should you not have been scumbling? should they not have been scumbling?