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