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