I should search you should search she should search we should search you should search they should search
V-ing form
I should be searching you should be searching she should be searching we should be searching you should be searching they should be searching
Perfect
I should have searched you should have searched she should have searched we should have searched you should have searched they should have searched
V-ing perfect
I should have been searching you should have been searching she should have been searching we should have been searching you should have been searching they should have been searching
Negation
Simple form
I should not search you should not search she should not search we should not search you should not search they should not search
V-ing form
I should not be searching you should not be searching she should not be searching we should not be searching you should not be searching they should not be searching
Perfect
I should not have searched you should not have searched she should not have searched we should not have searched you should not have searched they should not have searched
V-ing perfect
I should not have been searching you should not have been searching she should not have been searching we should not have been searching you should not have been searching they should not have been searching
Interrogative form
Simple form
should I search? should you search? should she search? should we search? should you search? should they search?
V-ing form
should I be searching? should you be searching? should she be searching? should we be searching? should you be searching? should they be searching?
Perfect
should I have searched? should you have searched? should she 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 she have been searching? should we have been searching? should you have been searching? should they have been searching?
Interro-negative form
Simple form
should I not search? should you not search? should she not search? should we not search? should you not search? should they not search?
V-ing form
should I not be searching? should you not be searching? should she not be searching? should we not be searching? should you not be searching? should they not be searching?
Perfect
should I not have searched? should you not have searched? should she not have searched? should we not have searched? should you not have searched? should they not have searched?
V-ing perfect
should I not have been searching? should you not have been searching? should she not have been searching? should we not have been searching? should you not have been searching? should they not have been searching?