I'd lead you'd lead she'd lead we'd lead you'd lead they'd lead
V-ing form
I'd be leading you'd be leading she'd be leading we'd be leading you'd be leading they'd be leading
Perfect
I should've led you should've led she should've led we should've led you should've led they should've led
V-ing perfect
I should've been leading you should've been leading she should've been leading we should've been leading you should've been leading they should've been leading
Negation
Simple form
I shouldn't lead you shouldn't lead she shouldn't lead we shouldn't lead you shouldn't lead they shouldn't lead
V-ing form
I shouldn't be leading you shouldn't be leading she shouldn't be leading we shouldn't be leading you shouldn't be leading they shouldn't be leading
Perfect
I shouldn't have led you shouldn't have led she shouldn't have led we shouldn't have led you shouldn't have led they shouldn't have led
V-ing perfect
I shouldn't have been leading you shouldn't have been leading she shouldn't have been leading we shouldn't have been leading you shouldn't have been leading they shouldn't have been leading
Interrogative form
Simple form
should I lead? should you lead? should she lead? should we lead? should you lead? should they lead?
V-ing form
should I be leading? should you be leading? should she be leading? should we be leading? should you be leading? should they be leading?
Perfect
should I have led? should you have led? should she have led? should we have led? should you have led? should they have led?
V-ing perfect
should I have been leading? should you have been leading? should she have been leading? should we have been leading? should you have been leading? should they have been leading?
Interro-negative form
Simple form
shouldn't I lead? shouldn't you lead? shouldn't she lead? shouldn't we lead? shouldn't you lead? shouldn't they lead?
V-ing form
shouldn't I be leading? shouldn't you be leading? shouldn't she be leading? shouldn't we be leading? shouldn't you be leading? shouldn't they be leading?
Perfect
shouldn't I have led? shouldn't you have led? shouldn't she have led? shouldn't we have led? shouldn't you have led? shouldn't they have led?
V-ing perfect
shouldn't I have been leading? shouldn't you have been leading? shouldn't she have been leading? shouldn't we have been leading? shouldn't you have been leading? shouldn't they have been leading?