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 may not yip you may not yip she may not yip we may not yip you may not yip they may not yip	I may not be yipping you may not be yipping she may not be yipping we may not be yipping you may not be yipping they may not be yipping
Perfect	V-ing perfect
I may not have yipped you may not have yipped she may not have yipped we may not have yipped you may not have yipped they may not have yipped	I may not have been yipping you may not have been yipping she may not have been yipping we may not have been yipping you may not have been yipping they may not 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
may I not yip? may you not yip? may she not yip? may we not yip? may you not yip? may they not yip?	may I not be yipping? may you not be yipping? may she not be yipping? may we not be yipping? may you not be yipping? may they not be yipping?
Perfect	V-ing perfect
may I not have yipped? may you not have yipped? may she not have yipped? may we not have yipped? may you not have yipped? may they not have yipped?	may I not have been yipping? may you not have been yipping? may she not have been yipping? may we not have been yipping? may you not have been yipping? may they not have been yipping?