English verb conjugation
SHOULD CLUSTER

Regular verb: cluster - clustered - clustered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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