English verb conjugation
SHOULD RUMBLE

Regular verb: rumble - rumbled - rumbled

Affirmation

Simple form	V-ing form
I should rumble you should rumble she should rumble we should rumble you should rumble they should rumble	I should be rumbling you should be rumbling she should be rumbling we should be rumbling you should be rumbling they should be rumbling
Perfect	V-ing perfect
I should have rumbled you should have rumbled she should have rumbled we should have rumbled you should have rumbled they should have rumbled	I should have been rumbling you should have been rumbling she should have been rumbling we should have been rumbling you should have been rumbling they should have been rumbling

Negation

Simple form	V-ing form
I should not rumble you should not rumble she should not rumble we should not rumble you should not rumble they should not rumble	I should not be rumbling you should not be rumbling she should not be rumbling we should not be rumbling you should not be rumbling they should not be rumbling
Perfect	V-ing perfect
I should not have rumbled you should not have rumbled she should not have rumbled we should not have rumbled you should not have rumbled they should not have rumbled	I should not have been rumbling you should not have been rumbling she should not have been rumbling we should not have been rumbling you should not have been rumbling they should not have been rumbling

Interrogative form

Simple form	V-ing form
should I rumble? should you rumble? should she rumble? should we rumble? should you rumble? should they rumble?	should I be rumbling? should you be rumbling? should she be rumbling? should we be rumbling? should you be rumbling? should they be rumbling?
Perfect	V-ing perfect
should I have rumbled? should you have rumbled? should she have rumbled? should we have rumbled? should you have rumbled? should they have rumbled?	should I have been rumbling? should you have been rumbling? should she have been rumbling? should we have been rumbling? should you have been rumbling? should they have been rumbling?

Interro-negative form

Simple form	V-ing form
should I not rumble? should you not rumble? should she not rumble? should we not rumble? should you not rumble? should they not rumble?	should I not be rumbling? should you not be rumbling? should she not be rumbling? should we not be rumbling? should you not be rumbling? should they not be rumbling?
Perfect	V-ing perfect
should I not have rumbled? should you not have rumbled? should she not have rumbled? should we not have rumbled? should you not have rumbled? should they not have rumbled?	should I not have been rumbling? should you not have been rumbling? should she not have been rumbling? should we not have been rumbling? should you not have been rumbling? should they not have been rumbling?