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