I may decompose you may decompose he may decompose we may decompose you may decompose they may decompose
V-ing form
I may be decomposing you may be decomposing he may be decomposing we may be decomposing you may be decomposing they may be decomposing
Perfect
I may have decomposed you may have decomposed he may have decomposed we may have decomposed you may have decomposed they may have decomposed
V-ing perfect
I may have been decomposing you may have been decomposing he may have been decomposing we may have been decomposing you may have been decomposing they may have been decomposing
Negation
Simple form
I mayn't decompose you mayn't decompose he mayn't decompose we mayn't decompose you mayn't decompose they mayn't decompose
V-ing form
I mayn't be decomposing you mayn't be decomposing he mayn't be decomposing we mayn't be decomposing you mayn't be decomposing they mayn't be decomposing
Perfect
I mayn't have decomposed you mayn't have decomposed he mayn't have decomposed we mayn't have decomposed you mayn't have decomposed they mayn't have decomposed
V-ing perfect
I mayn't have been decomposing you mayn't have been decomposing he mayn't have been decomposing we mayn't have been decomposing you mayn't have been decomposing they mayn't have been decomposing
Interrogative form
Simple form
may I decompose? may you decompose? may he decompose? may we decompose? may you decompose? may they decompose?
V-ing form
may I be decomposing? may you be decomposing? may he be decomposing? may we be decomposing? may you be decomposing? may they be decomposing?
Perfect
may I have decomposed? may you have decomposed? may he have decomposed? may we have decomposed? may you have decomposed? may they have decomposed?
V-ing perfect
may I have been decomposing? may you have been decomposing? may he have been decomposing? may we have been decomposing? may you have been decomposing? may they have been decomposing?
Interro-negative form
Simple form
mayn't I decompose? mayn't you decompose? mayn't he decompose? mayn't we decompose? mayn't you decompose? mayn't they decompose?
V-ing form
mayn't I be decomposing? mayn't you be decomposing? mayn't he be decomposing? mayn't we be decomposing? mayn't you be decomposing? mayn't they be decomposing?
Perfect
mayn't I have decomposed? mayn't you have decomposed? mayn't he have decomposed? mayn't we have decomposed? mayn't you have decomposed? mayn't they have decomposed?
V-ing perfect
mayn't I have been decomposing? mayn't you have been decomposing? mayn't he have been decomposing? mayn't we have been decomposing? mayn't you have been decomposing? mayn't they have been decomposing?