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 may not drain you may not drain he may not drain we may not drain you may not drain they may not drain	I may not be draining you may not be draining he may not be draining we may not be draining you may not be draining they may not be draining
Perfect	V-ing perfect
I may not have drained you may not have drained he may not have drained we may not have drained you may not have drained they may not have drained	I may not have been draining you may not have been draining he may not have been draining we may not have been draining you may not have been draining they may not 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
may I not drain? may you not drain? may he not drain? may we not drain? may you not drain? may they not drain?	may I not be draining? may you not be draining? may he not be draining? may we not be draining? may you not be draining? may they not be draining?
Perfect	V-ing perfect
may I not have drained? may you not have drained? may he not have drained? may we not have drained? may you not have drained? may they not have drained?	may I not have been draining? may you not have been draining? may he not have been draining? may we not have been draining? may you not have been draining? may they not have been draining?