I may travail you may travail he may travail we may travail you may travail they may travail
V-ing form
I may be travailing you may be travailing he may be travailing we may be travailing you may be travailing they may be travailing
Perfect
I may have travailed you may have travailed he may have travailed we may have travailed you may have travailed they may have travailed
V-ing perfect
I may have been travailing you may have been travailing he may have been travailing we may have been travailing you may have been travailing they may have been travailing
Negation
Simple form
I may not travail you may not travail he may not travail we may not travail you may not travail they may not travail
V-ing form
I may not be travailing you may not be travailing he may not be travailing we may not be travailing you may not be travailing they may not be travailing
Perfect
I may not have travailed you may not have travailed he may not have travailed we may not have travailed you may not have travailed they may not have travailed
V-ing perfect
I may not have been travailing you may not have been travailing he may not have been travailing we may not have been travailing you may not have been travailing they may not have been travailing
Interrogative form
Simple form
may I travail? may you travail? may he travail? may we travail? may you travail? may they travail?
V-ing form
may I be travailing? may you be travailing? may he be travailing? may we be travailing? may you be travailing? may they be travailing?
Perfect
may I have travailed? may you have travailed? may he have travailed? may we have travailed? may you have travailed? may they have travailed?
V-ing perfect
may I have been travailing? may you have been travailing? may he have been travailing? may we have been travailing? may you have been travailing? may they have been travailing?
Interro-negative form
Simple form
may I not travail? may you not travail? may he not travail? may we not travail? may you not travail? may they not travail?
V-ing form
may I not be travailing? may you not be travailing? may he not be travailing? may we not be travailing? may you not be travailing? may they not be travailing?
Perfect
may I not have travailed? may you not have travailed? may he not have travailed? may we not have travailed? may you not have travailed? may they not have travailed?
V-ing perfect
may I not have been travailing? may you not have been travailing? may he not have been travailing? may we not have been travailing? may you not have been travailing? may they not have been travailing?