English verb conjugation
MAY REFRAIN

Regular verb: refrain - refrained - refrained

Affirmation

Simple form	V-ing form
I may refrain you may refrain he may refrain we may refrain you may refrain they may refrain	I may be refraining you may be refraining he may be refraining we may be refraining you may be refraining they may be refraining
Perfect	V-ing perfect
I may have refrained you may have refrained he may have refrained we may have refrained you may have refrained they may have refrained	I may have been refraining you may have been refraining he may have been refraining we may have been refraining you may have been refraining they may have been refraining

Negation

Simple form	V-ing form
I may not refrain you may not refrain he may not refrain we may not refrain you may not refrain they may not refrain	I may not be refraining you may not be refraining he may not be refraining we may not be refraining you may not be refraining they may not be refraining
Perfect	V-ing perfect
I may not have refrained you may not have refrained he may not have refrained we may not have refrained you may not have refrained they may not have refrained	I may not have been refraining you may not have been refraining he may not have been refraining we may not have been refraining you may not have been refraining they may not have been refraining

Interrogative form

Simple form	V-ing form
may I refrain? may you refrain? may he refrain? may we refrain? may you refrain? may they refrain?	may I be refraining? may you be refraining? may he be refraining? may we be refraining? may you be refraining? may they be refraining?
Perfect	V-ing perfect
may I have refrained? may you have refrained? may he have refrained? may we have refrained? may you have refrained? may they have refrained?	may I have been refraining? may you have been refraining? may he have been refraining? may we have been refraining? may you have been refraining? may they have been refraining?

Interro-negative form

Simple form	V-ing form
may I not refrain? may you not refrain? may he not refrain? may we not refrain? may you not refrain? may they not refrain?	may I not be refraining? may you not be refraining? may he not be refraining? may we not be refraining? may you not be refraining? may they not be refraining?
Perfect	V-ing perfect
may I not have refrained? may you not have refrained? may he not have refrained? may we not have refrained? may you not have refrained? may they not have refrained?	may I not have been refraining? may you not have been refraining? may he not have been refraining? may we not have been refraining? may you not have been refraining? may they not have been refraining?