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