English verb conjugation
SHALL CLUSTER

Regular verb: cluster - clustered - clustered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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