English verb conjugation
SHOULD RIDDLE

Regular verb: riddle - riddled - riddled

Affirmation

Simple form	V-ing form
I should riddle you should riddle she should riddle we should riddle you should riddle they should riddle	I should be riddling you should be riddling she should be riddling we should be riddling you should be riddling they should be riddling
Perfect	V-ing perfect
I should have riddled you should have riddled she should have riddled we should have riddled you should have riddled they should have riddled	I should have been riddling you should have been riddling she should have been riddling we should have been riddling you should have been riddling they should have been riddling

Negation

Simple form	V-ing form
I should not riddle you should not riddle she should not riddle we should not riddle you should not riddle they should not riddle	I should not be riddling you should not be riddling she should not be riddling we should not be riddling you should not be riddling they should not be riddling
Perfect	V-ing perfect
I should not have riddled you should not have riddled she should not have riddled we should not have riddled you should not have riddled they should not have riddled	I should not have been riddling you should not have been riddling she should not have been riddling we should not have been riddling you should not have been riddling they should not have been riddling

Interrogative form

Simple form	V-ing form
should I riddle? should you riddle? should she riddle? should we riddle? should you riddle? should they riddle?	should I be riddling? should you be riddling? should she be riddling? should we be riddling? should you be riddling? should they be riddling?
Perfect	V-ing perfect
should I have riddled? should you have riddled? should she have riddled? should we have riddled? should you have riddled? should they have riddled?	should I have been riddling? should you have been riddling? should she have been riddling? should we have been riddling? should you have been riddling? should they have been riddling?

Interro-negative form

Simple form	V-ing form
should I not riddle? should you not riddle? should she not riddle? should we not riddle? should you not riddle? should they not riddle?	should I not be riddling? should you not be riddling? should she not be riddling? should we not be riddling? should you not be riddling? should they not be riddling?
Perfect	V-ing perfect
should I not have riddled? should you not have riddled? should she not have riddled? should we not have riddled? should you not have riddled? should they not have riddled?	should I not have been riddling? should you not have been riddling? should she not have been riddling? should we not have been riddling? should you not have been riddling? should they not have been riddling?