English verb conjugation
MAY VAPOUR

Regular verb: vapour - vapoured - vapoured

Affirmation

Simple form	V-ing form
I may vapour you may vapour he may vapour we may vapour you may vapour they may vapour	I may be vapouring you may be vapouring he may be vapouring we may be vapouring you may be vapouring they may be vapouring
Perfect	V-ing perfect
I may have vapoured you may have vapoured he may have vapoured we may have vapoured you may have vapoured they may have vapoured	I may have been vapouring you may have been vapouring he may have been vapouring we may have been vapouring you may have been vapouring they may have been vapouring

Negation

Simple form	V-ing form
I mayn't vapour you mayn't vapour he mayn't vapour we mayn't vapour you mayn't vapour they mayn't vapour	I mayn't be vapouring you mayn't be vapouring he mayn't be vapouring we mayn't be vapouring you mayn't be vapouring they mayn't be vapouring
Perfect	V-ing perfect
I mayn't have vapoured you mayn't have vapoured he mayn't have vapoured we mayn't have vapoured you mayn't have vapoured they mayn't have vapoured	I mayn't have been vapouring you mayn't have been vapouring he mayn't have been vapouring we mayn't have been vapouring you mayn't have been vapouring they mayn't have been vapouring

Interrogative form

Simple form	V-ing form
may I vapour? may you vapour? may he vapour? may we vapour? may you vapour? may they vapour?	may I be vapouring? may you be vapouring? may he be vapouring? may we be vapouring? may you be vapouring? may they be vapouring?
Perfect	V-ing perfect
may I have vapoured? may you have vapoured? may he have vapoured? may we have vapoured? may you have vapoured? may they have vapoured?	may I have been vapouring? may you have been vapouring? may he have been vapouring? may we have been vapouring? may you have been vapouring? may they have been vapouring?

Interro-negative form

Simple form	V-ing form
mayn't I vapour? mayn't you vapour? mayn't he vapour? mayn't we vapour? mayn't you vapour? mayn't they vapour?	mayn't I be vapouring? mayn't you be vapouring? mayn't he be vapouring? mayn't we be vapouring? mayn't you be vapouring? mayn't they be vapouring?
Perfect	V-ing perfect
mayn't I have vapoured? mayn't you have vapoured? mayn't he have vapoured? mayn't we have vapoured? mayn't you have vapoured? mayn't they have vapoured?	mayn't I have been vapouring? mayn't you have been vapouring? mayn't he have been vapouring? mayn't we have been vapouring? mayn't you have been vapouring? mayn't they have been vapouring?