English verb conjugation
MAY RIVAL

Regular verb: rival - rivalled - rivalled

Affirmation

Simple form	V-ing form
I may rival you may rival he may rival we may rival you may rival they may rival	I may be rivalling you may be rivalling he may be rivalling we may be rivalling you may be rivalling they may be rivalling
Perfect	V-ing perfect
I may have rivalled you may have rivalled he may have rivalled we may have rivalled you may have rivalled they may have rivalled	I may have been rivalling you may have been rivalling he may have been rivalling we may have been rivalling you may have been rivalling they may have been rivalling

Negation

Simple form	V-ing form
I mayn't rival you mayn't rival he mayn't rival we mayn't rival you mayn't rival they mayn't rival	I mayn't be rivalling you mayn't be rivalling he mayn't be rivalling we mayn't be rivalling you mayn't be rivalling they mayn't be rivalling
Perfect	V-ing perfect
I mayn't have rivalled you mayn't have rivalled he mayn't have rivalled we mayn't have rivalled you mayn't have rivalled they mayn't have rivalled	I mayn't have been rivalling you mayn't have been rivalling he mayn't have been rivalling we mayn't have been rivalling you mayn't have been rivalling they mayn't have been rivalling

Interrogative form

Simple form	V-ing form
may I rival? may you rival? may he rival? may we rival? may you rival? may they rival?	may I be rivalling? may you be rivalling? may he be rivalling? may we be rivalling? may you be rivalling? may they be rivalling?
Perfect	V-ing perfect
may I have rivalled? may you have rivalled? may he have rivalled? may we have rivalled? may you have rivalled? may they have rivalled?	may I have been rivalling? may you have been rivalling? may he have been rivalling? may we have been rivalling? may you have been rivalling? may they have been rivalling?

Interro-negative form

Simple form	V-ing form
mayn't I rival? mayn't you rival? mayn't he rival? mayn't we rival? mayn't you rival? mayn't they rival?	mayn't I be rivalling? mayn't you be rivalling? mayn't he be rivalling? mayn't we be rivalling? mayn't you be rivalling? mayn't they be rivalling?
Perfect	V-ing perfect
mayn't I have rivalled? mayn't you have rivalled? mayn't he have rivalled? mayn't we have rivalled? mayn't you have rivalled? mayn't they have rivalled?	mayn't I have been rivalling? mayn't you have been rivalling? mayn't he have been rivalling? mayn't we have been rivalling? mayn't you have been rivalling? mayn't they have been rivalling?