I may complain you may complain she may complain we may complain you may complain they may complain
V-ing form
I may be complaining you may be complaining she may be complaining we may be complaining you may be complaining they may be complaining
Perfect
I may have complained you may have complained she may have complained we may have complained you may have complained they may have complained
V-ing perfect
I may have been complaining you may have been complaining she may have been complaining we may have been complaining you may have been complaining they may have been complaining
Negation
Simple form
I may not complain you may not complain she may not complain we may not complain you may not complain they may not complain
V-ing form
I may not be complaining you may not be complaining she may not be complaining we may not be complaining you may not be complaining they may not be complaining
Perfect
I may not have complained you may not have complained she may not have complained we may not have complained you may not have complained they may not have complained
V-ing perfect
I may not have been complaining you may not have been complaining she may not have been complaining we may not have been complaining you may not have been complaining they may not have been complaining
Interrogative form
Simple form
may I complain? may you complain? may she complain? may we complain? may you complain? may they complain?
V-ing form
may I be complaining? may you be complaining? may she be complaining? may we be complaining? may you be complaining? may they be complaining?
Perfect
may I have complained? may you have complained? may she have complained? may we have complained? may you have complained? may they have complained?
V-ing perfect
may I have been complaining? may you have been complaining? may she have been complaining? may we have been complaining? may you have been complaining? may they have been complaining?
Interro-negative form
Simple form
may I not complain? may you not complain? may she not complain? may we not complain? may you not complain? may they not complain?
V-ing form
may I not be complaining? may you not be complaining? may she not be complaining? may we not be complaining? may you not be complaining? may they not be complaining?
Perfect
may I not have complained? may you not have complained? may she not have complained? may we not have complained? may you not have complained? may they not have complained?
V-ing perfect
may I not have been complaining? may you not have been complaining? may she not have been complaining? may we not have been complaining? may you not have been complaining? may they not have been complaining?