English verb conjugation
MAY CLUSTER

Regular verb: cluster - clustered - clustered

Affirmation

Simple form	V-ing form
I may cluster you may cluster he may cluster we may cluster you may cluster they may cluster	I may be clustering you may be clustering he may be clustering we may be clustering you may be clustering they may be clustering
Perfect	V-ing perfect
I may have clustered you may have clustered he may have clustered we may have clustered you may have clustered they may have clustered	I may have been clustering you may have been clustering he may have been clustering we may have been clustering you may have been clustering they may have been clustering

Negation

Simple form	V-ing form
I may not cluster you may not cluster he may not cluster we may not cluster you may not cluster they may not cluster	I may not be clustering you may not be clustering he may not be clustering we may not be clustering you may not be clustering they may not be clustering
Perfect	V-ing perfect
I may not have clustered you may not have clustered he may not have clustered we may not have clustered you may not have clustered they may not have clustered	I may not have been clustering you may not have been clustering he may not have been clustering we may not have been clustering you may not have been clustering they may not have been clustering

Interrogative form

Simple form	V-ing form
may I cluster? may you cluster? may he cluster? may we cluster? may you cluster? may they cluster?	may I be clustering? may you be clustering? may he be clustering? may we be clustering? may you be clustering? may they be clustering?
Perfect	V-ing perfect
may I have clustered? may you have clustered? may he have clustered? may we have clustered? may you have clustered? may they have clustered?	may I have been clustering? may you have been clustering? may he have been clustering? may we have been clustering? may you have been clustering? may they have been clustering?

Interro-negative form

Simple form	V-ing form
may I not cluster? may you not cluster? may he not cluster? may we not cluster? may you not cluster? may they not cluster?	may I not be clustering? may you not be clustering? may he not be clustering? may we not be clustering? may you not be clustering? may they not be clustering?
Perfect	V-ing perfect
may I not have clustered? may you not have clustered? may he not have clustered? may we not have clustered? may you not have clustered? may they not have clustered?	may I not have been clustering? may you not have been clustering? may he not have been clustering? may we not have been clustering? may you not have been clustering? may they not have been clustering?