English verb conjugation
SHOULD CENTRIFUGE

Regular verb: centrifuge - centrifuged - centrifuged

Affirmation

Simple form	V-ing form
I should centrifuge you should centrifuge he should centrifuge we should centrifuge you should centrifuge they should centrifuge	I should be centrifuging you should be centrifuging he should be centrifuging we should be centrifuging you should be centrifuging they should be centrifuging
Perfect	V-ing perfect
I should have centrifuged you should have centrifuged he should have centrifuged we should have centrifuged you should have centrifuged they should have centrifuged	I should have been centrifuging you should have been centrifuging he should have been centrifuging we should have been centrifuging you should have been centrifuging they should have been centrifuging

Negation

Simple form	V-ing form
I should not centrifuge you should not centrifuge he should not centrifuge we should not centrifuge you should not centrifuge they should not centrifuge	I should not be centrifuging you should not be centrifuging he should not be centrifuging we should not be centrifuging you should not be centrifuging they should not be centrifuging
Perfect	V-ing perfect
I should not have centrifuged you should not have centrifuged he should not have centrifuged we should not have centrifuged you should not have centrifuged they should not have centrifuged	I should not have been centrifuging you should not have been centrifuging he should not have been centrifuging we should not have been centrifuging you should not have been centrifuging they should not have been centrifuging

Interrogative form

Simple form	V-ing form
should I centrifuge? should you centrifuge? should he centrifuge? should we centrifuge? should you centrifuge? should they centrifuge?	should I be centrifuging? should you be centrifuging? should he be centrifuging? should we be centrifuging? should you be centrifuging? should they be centrifuging?
Perfect	V-ing perfect
should I have centrifuged? should you have centrifuged? should he have centrifuged? should we have centrifuged? should you have centrifuged? should they have centrifuged?	should I have been centrifuging? should you have been centrifuging? should he have been centrifuging? should we have been centrifuging? should you have been centrifuging? should they have been centrifuging?

Interro-negative form

Simple form	V-ing form
should I not centrifuge? should you not centrifuge? should he not centrifuge? should we not centrifuge? should you not centrifuge? should they not centrifuge?	should I not be centrifuging? should you not be centrifuging? should he not be centrifuging? should we not be centrifuging? should you not be centrifuging? should they not be centrifuging?
Perfect	V-ing perfect
should I not have centrifuged? should you not have centrifuged? should he not have centrifuged? should we not have centrifuged? should you not have centrifuged? should they not have centrifuged?	should I not have been centrifuging? should you not have been centrifuging? should he not have been centrifuging? should we not have been centrifuging? should you not have been centrifuging? should they not have been centrifuging?