I'd be conjecturing you'd be conjecturing he'd be conjecturing we'd be conjecturing you'd be conjecturing they'd be conjecturing
Perfect
I should've conjectured you should've conjectured he should've conjectured we should've conjectured you should've conjectured they should've conjectured
V-ing perfect
I should've been conjecturing you should've been conjecturing he should've been conjecturing we should've been conjecturing you should've been conjecturing they should've been conjecturing
Negation
Simple form
I shouldn't conjecture you shouldn't conjecture he shouldn't conjecture we shouldn't conjecture you shouldn't conjecture they shouldn't conjecture
V-ing form
I shouldn't be conjecturing you shouldn't be conjecturing he shouldn't be conjecturing we shouldn't be conjecturing you shouldn't be conjecturing they shouldn't be conjecturing
Perfect
I shouldn't have conjectured you shouldn't have conjectured he shouldn't have conjectured we shouldn't have conjectured you shouldn't have conjectured they shouldn't have conjectured
V-ing perfect
I shouldn't have been conjecturing you shouldn't have been conjecturing he shouldn't have been conjecturing we shouldn't have been conjecturing you shouldn't have been conjecturing they shouldn't have been conjecturing
Interrogative form
Simple form
should I conjecture? should you conjecture? should he conjecture? should we conjecture? should you conjecture? should they conjecture?
V-ing form
should I be conjecturing? should you be conjecturing? should he be conjecturing? should we be conjecturing? should you be conjecturing? should they be conjecturing?
Perfect
should I have conjectured? should you have conjectured? should he have conjectured? should we have conjectured? should you have conjectured? should they have conjectured?
V-ing perfect
should I have been conjecturing? should you have been conjecturing? should he have been conjecturing? should we have been conjecturing? should you have been conjecturing? should they have been conjecturing?
Interro-negative form
Simple form
shouldn't I conjecture? shouldn't you conjecture? shouldn't he conjecture? shouldn't we conjecture? shouldn't you conjecture? shouldn't they conjecture?
V-ing form
shouldn't I be conjecturing? shouldn't you be conjecturing? shouldn't he be conjecturing? shouldn't we be conjecturing? shouldn't you be conjecturing? shouldn't they be conjecturing?
Perfect
shouldn't I have conjectured? shouldn't you have conjectured? shouldn't he have conjectured? shouldn't we have conjectured? shouldn't you have conjectured? shouldn't they have conjectured?
V-ing perfect
shouldn't I have been conjecturing? shouldn't you have been conjecturing? shouldn't he have been conjecturing? shouldn't we have been conjecturing? shouldn't you have been conjecturing? shouldn't they have been conjecturing?