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