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