English verb conjugation
MAY PERSEVERE

Regular verb: persevere - persevered - persevered

Affirmation

Simple form	V-ing form
I may persevere you may persevere he may persevere we may persevere you may persevere they may persevere	I may be persevering you may be persevering he may be persevering we may be persevering you may be persevering they may be persevering
Perfect	V-ing perfect
I may have persevered you may have persevered he may have persevered we may have persevered you may have persevered they may have persevered	I may have been persevering you may have been persevering he may have been persevering we may have been persevering you may have been persevering they may have been persevering

Negation

Simple form	V-ing form
I mayn't persevere you mayn't persevere he mayn't persevere we mayn't persevere you mayn't persevere they mayn't persevere	I mayn't be persevering you mayn't be persevering he mayn't be persevering we mayn't be persevering you mayn't be persevering they mayn't be persevering
Perfect	V-ing perfect
I mayn't have persevered you mayn't have persevered he mayn't have persevered we mayn't have persevered you mayn't have persevered they mayn't have persevered	I mayn't have been persevering you mayn't have been persevering he mayn't have been persevering we mayn't have been persevering you mayn't have been persevering they mayn't have been persevering

Interrogative form

Simple form	V-ing form
may I persevere? may you persevere? may he persevere? may we persevere? may you persevere? may they persevere?	may I be persevering? may you be persevering? may he be persevering? may we be persevering? may you be persevering? may they be persevering?
Perfect	V-ing perfect
may I have persevered? may you have persevered? may he have persevered? may we have persevered? may you have persevered? may they have persevered?	may I have been persevering? may you have been persevering? may he have been persevering? may we have been persevering? may you have been persevering? may they have been persevering?

Interro-negative form

Simple form	V-ing form
mayn't I persevere? mayn't you persevere? mayn't he persevere? mayn't we persevere? mayn't you persevere? mayn't they persevere?	mayn't I be persevering? mayn't you be persevering? mayn't he be persevering? mayn't we be persevering? mayn't you be persevering? mayn't they be persevering?
Perfect	V-ing perfect
mayn't I have persevered? mayn't you have persevered? mayn't he have persevered? mayn't we have persevered? mayn't you have persevered? mayn't they have persevered?	mayn't I have been persevering? mayn't you have been persevering? mayn't he have been persevering? mayn't we have been persevering? mayn't you have been persevering? mayn't they have been persevering?