English verb conjugation
SHOULD BREAKFAST

Regular verb: breakfast - breakfasted - breakfasted

Affirmation

Simple form	V-ing form
I'd breakfast you'd breakfast he'd breakfast we'd breakfast you'd breakfast they'd breakfast	I'd be breakfasting you'd be breakfasting he'd be breakfasting we'd be breakfasting you'd be breakfasting they'd be breakfasting
Perfect	V-ing perfect
I should've breakfasted you should've breakfasted he should've breakfasted we should've breakfasted you should've breakfasted they should've breakfasted	I should've been breakfasting you should've been breakfasting he should've been breakfasting we should've been breakfasting you should've been breakfasting they should've been breakfasting

Negation

Simple form	V-ing form
I shouldn't breakfast you shouldn't breakfast he shouldn't breakfast we shouldn't breakfast you shouldn't breakfast they shouldn't breakfast	I shouldn't be breakfasting you shouldn't be breakfasting he shouldn't be breakfasting we shouldn't be breakfasting you shouldn't be breakfasting they shouldn't be breakfasting
Perfect	V-ing perfect
I shouldn't have breakfasted you shouldn't have breakfasted he shouldn't have breakfasted we shouldn't have breakfasted you shouldn't have breakfasted they shouldn't have breakfasted	I shouldn't have been breakfasting you shouldn't have been breakfasting he shouldn't have been breakfasting we shouldn't have been breakfasting you shouldn't have been breakfasting they shouldn't have been breakfasting

Interrogative form

Simple form	V-ing form
should I breakfast? should you breakfast? should he breakfast? should we breakfast? should you breakfast? should they breakfast?	should I be breakfasting? should you be breakfasting? should he be breakfasting? should we be breakfasting? should you be breakfasting? should they be breakfasting?
Perfect	V-ing perfect
should I have breakfasted? should you have breakfasted? should he have breakfasted? should we have breakfasted? should you have breakfasted? should they have breakfasted?	should I have been breakfasting? should you have been breakfasting? should he have been breakfasting? should we have been breakfasting? should you have been breakfasting? should they have been breakfasting?

Interro-negative form

Simple form	V-ing form
shouldn't I breakfast? shouldn't you breakfast? shouldn't he breakfast? shouldn't we breakfast? shouldn't you breakfast? shouldn't they breakfast?	shouldn't I be breakfasting? shouldn't you be breakfasting? shouldn't he be breakfasting? shouldn't we be breakfasting? shouldn't you be breakfasting? shouldn't they be breakfasting?
Perfect	V-ing perfect
shouldn't I have breakfasted? shouldn't you have breakfasted? shouldn't he have breakfasted? shouldn't we have breakfasted? shouldn't you have breakfasted? shouldn't they have breakfasted?	shouldn't I have been breakfasting? shouldn't you have been breakfasting? shouldn't he have been breakfasting? shouldn't we have been breakfasting? shouldn't you have been breakfasting? shouldn't they have been breakfasting?