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