English verb conjugation
MAY YIP

Regular verb: yip - yipped - yipped

Affirmation

Simple form	V-ing form
I may yip you may yip he may yip we may yip you may yip they may yip	I may be yipping you may be yipping he 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 he 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 he 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 he 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 he 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 he 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 he 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 he yip? may we yip? may you yip? may they yip?	may I be yipping? may you be yipping? may he 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 he 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 he 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 he 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 he 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 he 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 he not have been yipping? may we not have been yipping? may you not have been yipping? may they not have been yipping?