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