English verb conjugation
MAY LAST

Regular verb: last - lasted - lasted

Affirmation

Simple form	V-ing form
I may last you may last he may last we may last you may last they may last	I may be lasting you may be lasting he may be lasting we may be lasting you may be lasting they may be lasting
Perfect	V-ing perfect
I may have lasted you may have lasted he may have lasted we may have lasted you may have lasted they may have lasted	I may have been lasting you may have been lasting he may have been lasting we may have been lasting you may have been lasting they may have been lasting

Negation

Simple form	V-ing form
I mayn't last you mayn't last he mayn't last we mayn't last you mayn't last they mayn't last	I mayn't be lasting you mayn't be lasting he mayn't be lasting we mayn't be lasting you mayn't be lasting they mayn't be lasting
Perfect	V-ing perfect
I mayn't have lasted you mayn't have lasted he mayn't have lasted we mayn't have lasted you mayn't have lasted they mayn't have lasted	I mayn't have been lasting you mayn't have been lasting he mayn't have been lasting we mayn't have been lasting you mayn't have been lasting they mayn't have been lasting

Interrogative form

Simple form	V-ing form
may I last? may you last? may he last? may we last? may you last? may they last?	may I be lasting? may you be lasting? may he be lasting? may we be lasting? may you be lasting? may they be lasting?
Perfect	V-ing perfect
may I have lasted? may you have lasted? may he have lasted? may we have lasted? may you have lasted? may they have lasted?	may I have been lasting? may you have been lasting? may he have been lasting? may we have been lasting? may you have been lasting? may they have been lasting?

Interro-negative form

Simple form	V-ing form
mayn't I last? mayn't you last? mayn't he last? mayn't we last? mayn't you last? mayn't they last?	mayn't I be lasting? mayn't you be lasting? mayn't he be lasting? mayn't we be lasting? mayn't you be lasting? mayn't they be lasting?
Perfect	V-ing perfect
mayn't I have lasted? mayn't you have lasted? mayn't he have lasted? mayn't we have lasted? mayn't you have lasted? mayn't they have lasted?	mayn't I have been lasting? mayn't you have been lasting? mayn't he have been lasting? mayn't we have been lasting? mayn't you have been lasting? mayn't they have been lasting?