English verb conjugation
MAY YIP

Regular verb: yip - yipped - yipped

Affirmation

Simple form	V-ing form
I may yip you may yip she may yip we may yip you may yip they may yip	I may be yipping you may be yipping she may be yipping we may be yipping you may be yipping they may be yipping
Perfect	V-ing perfect
I may have yipped you may have yipped she may have yipped we may have yipped you may have yipped they may have yipped	I may have been yipping you may have been yipping she may have been yipping we may have been yipping you may have been yipping they may have been yipping

Negation

Simple form	V-ing form
I mayn't yip you mayn't yip she mayn't yip we mayn't yip you mayn't yip they mayn't yip	I mayn't be yipping you mayn't be yipping she mayn't be yipping we mayn't be yipping you mayn't be yipping they mayn't be yipping
Perfect	V-ing perfect
I mayn't have yipped you mayn't have yipped she mayn't have yipped we mayn't have yipped you mayn't have yipped they mayn't have yipped	I mayn't have been yipping you mayn't have been yipping she mayn't have been yipping we mayn't have been yipping you mayn't have been yipping they mayn't have been yipping

Interrogative form

Simple form	V-ing form
may I yip? may you yip? may she yip? may we yip? may you yip? may they yip?	may I be yipping? may you be yipping? may she be yipping? may we be yipping? may you be yipping? may they be yipping?
Perfect	V-ing perfect
may I have yipped? may you have yipped? may she have yipped? may we have yipped? may you have yipped? may they have yipped?	may I have been yipping? may you have been yipping? may she have been yipping? may we have been yipping? may you have been yipping? may they have been yipping?

Interro-negative form

Simple form	V-ing form
mayn't I yip? mayn't you yip? mayn't she yip? mayn't we yip? mayn't you yip? mayn't they yip?	mayn't I be yipping? mayn't you be yipping? mayn't she be yipping? mayn't we be yipping? mayn't you be yipping? mayn't they be yipping?
Perfect	V-ing perfect
mayn't I have yipped? mayn't you have yipped? mayn't she have yipped? mayn't we have yipped? mayn't you have yipped? mayn't they have yipped?	mayn't I have been yipping? mayn't you have been yipping? mayn't she have been yipping? mayn't we have been yipping? mayn't you have been yipping? mayn't they have been yipping?