English verb conjugation
SHOULD RIDDLE

Regular verb: riddle - riddled - riddled

Affirmation

Simple form	V-ing form
I'd riddle you'd riddle he'd riddle we'd riddle you'd riddle they'd riddle	I'd be riddling you'd be riddling he'd be riddling we'd be riddling you'd be riddling they'd be riddling
Perfect	V-ing perfect
I should've riddled you should've riddled he should've riddled we should've riddled you should've riddled they should've riddled	I should've been riddling you should've been riddling he should've been riddling we should've been riddling you should've been riddling they should've been riddling

Negation

Simple form	V-ing form
I shouldn't riddle you shouldn't riddle he shouldn't riddle we shouldn't riddle you shouldn't riddle they shouldn't riddle	I shouldn't be riddling you shouldn't be riddling he shouldn't be riddling we shouldn't be riddling you shouldn't be riddling they shouldn't be riddling
Perfect	V-ing perfect
I shouldn't have riddled you shouldn't have riddled he shouldn't have riddled we shouldn't have riddled you shouldn't have riddled they shouldn't have riddled	I shouldn't have been riddling you shouldn't have been riddling he shouldn't have been riddling we shouldn't have been riddling you shouldn't have been riddling they shouldn't have been riddling

Interrogative form

Simple form	V-ing form
should I riddle? should you riddle? should he riddle? should we riddle? should you riddle? should they riddle?	should I be riddling? should you be riddling? should he 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 he 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 he 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
shouldn't I riddle? shouldn't you riddle? shouldn't he riddle? shouldn't we riddle? shouldn't you riddle? shouldn't they riddle?	shouldn't I be riddling? shouldn't you be riddling? shouldn't he be riddling? shouldn't we be riddling? shouldn't you be riddling? shouldn't they be riddling?
Perfect	V-ing perfect
shouldn't I have riddled? shouldn't you have riddled? shouldn't he have riddled? shouldn't we have riddled? shouldn't you have riddled? shouldn't they have riddled?	shouldn't I have been riddling? shouldn't you have been riddling? shouldn't he have been riddling? shouldn't we have been riddling? shouldn't you have been riddling? shouldn't they have been riddling?