English verb conjugation
MAY DRAIN

Regular verb: drain - drained - drained

Affirmation

Simple form	V-ing form
I may drain you may drain he may drain we may drain you may drain they may drain	I may be draining you may be draining he may be draining we may be draining you may be draining they may be draining
Perfect	V-ing perfect
I may have drained you may have drained he may have drained we may have drained you may have drained they may have drained	I may have been draining you may have been draining he may have been draining we may have been draining you may have been draining they may have been draining

Negation

Simple form	V-ing form
I mayn't drain you mayn't drain he mayn't drain we mayn't drain you mayn't drain they mayn't drain	I mayn't be draining you mayn't be draining he mayn't be draining we mayn't be draining you mayn't be draining they mayn't be draining
Perfect	V-ing perfect
I mayn't have drained you mayn't have drained he mayn't have drained we mayn't have drained you mayn't have drained they mayn't have drained	I mayn't have been draining you mayn't have been draining he mayn't have been draining we mayn't have been draining you mayn't have been draining they mayn't have been draining

Interrogative form

Simple form	V-ing form
may I drain? may you drain? may he drain? may we drain? may you drain? may they drain?	may I be draining? may you be draining? may he be draining? may we be draining? may you be draining? may they be draining?
Perfect	V-ing perfect
may I have drained? may you have drained? may he have drained? may we have drained? may you have drained? may they have drained?	may I have been draining? may you have been draining? may he have been draining? may we have been draining? may you have been draining? may they have been draining?

Interro-negative form

Simple form	V-ing form
mayn't I drain? mayn't you drain? mayn't he drain? mayn't we drain? mayn't you drain? mayn't they drain?	mayn't I be draining? mayn't you be draining? mayn't he be draining? mayn't we be draining? mayn't you be draining? mayn't they be draining?
Perfect	V-ing perfect
mayn't I have drained? mayn't you have drained? mayn't he have drained? mayn't we have drained? mayn't you have drained? mayn't they have drained?	mayn't I have been draining? mayn't you have been draining? mayn't he have been draining? mayn't we have been draining? mayn't you have been draining? mayn't they have been draining?