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