English verb conjugation
MAY PRECLEAN

Regular verb: preclean - precleaned - precleaned

Affirmation

Simple form	V-ing form
I may preclean you may preclean he may preclean we may preclean you may preclean they may preclean	I may be precleaning you may be precleaning he may be precleaning we may be precleaning you may be precleaning they may be precleaning
Perfect	V-ing perfect
I may have precleaned you may have precleaned he may have precleaned we may have precleaned you may have precleaned they may have precleaned	I may have been precleaning you may have been precleaning he may have been precleaning we may have been precleaning you may have been precleaning they may have been precleaning

Negation

Simple form	V-ing form
I mayn't preclean you mayn't preclean he mayn't preclean we mayn't preclean you mayn't preclean they mayn't preclean	I mayn't be precleaning you mayn't be precleaning he mayn't be precleaning we mayn't be precleaning you mayn't be precleaning they mayn't be precleaning
Perfect	V-ing perfect
I mayn't have precleaned you mayn't have precleaned he mayn't have precleaned we mayn't have precleaned you mayn't have precleaned they mayn't have precleaned	I mayn't have been precleaning you mayn't have been precleaning he mayn't have been precleaning we mayn't have been precleaning you mayn't have been precleaning they mayn't have been precleaning

Interrogative form

Simple form	V-ing form
may I preclean? may you preclean? may he preclean? may we preclean? may you preclean? may they preclean?	may I be precleaning? may you be precleaning? may he be precleaning? may we be precleaning? may you be precleaning? may they be precleaning?
Perfect	V-ing perfect
may I have precleaned? may you have precleaned? may he have precleaned? may we have precleaned? may you have precleaned? may they have precleaned?	may I have been precleaning? may you have been precleaning? may he have been precleaning? may we have been precleaning? may you have been precleaning? may they have been precleaning?

Interro-negative form

Simple form	V-ing form
mayn't I preclean? mayn't you preclean? mayn't he preclean? mayn't we preclean? mayn't you preclean? mayn't they preclean?	mayn't I be precleaning? mayn't you be precleaning? mayn't he be precleaning? mayn't we be precleaning? mayn't you be precleaning? mayn't they be precleaning?
Perfect	V-ing perfect
mayn't I have precleaned? mayn't you have precleaned? mayn't he have precleaned? mayn't we have precleaned? mayn't you have precleaned? mayn't they have precleaned?	mayn't I have been precleaning? mayn't you have been precleaning? mayn't he have been precleaning? mayn't we have been precleaning? mayn't you have been precleaning? mayn't they have been precleaning?