English verb conjugation
MAY CENTRIFUGE

Regular verb: centrifuge - centrifuged - centrifuged

Affirmation

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

Negation

Simple form	V-ing form
I mayn't centrifuge you mayn't centrifuge he mayn't centrifuge we mayn't centrifuge you mayn't centrifuge they mayn't centrifuge	I mayn't be centrifuging you mayn't be centrifuging he mayn't be centrifuging we mayn't be centrifuging you mayn't be centrifuging they mayn't be centrifuging
Perfect	V-ing perfect
I mayn't have centrifuged you mayn't have centrifuged he mayn't have centrifuged we mayn't have centrifuged you mayn't have centrifuged they mayn't have centrifuged	I mayn't have been centrifuging you mayn't have been centrifuging he mayn't have been centrifuging we mayn't have been centrifuging you mayn't have been centrifuging they mayn't have been centrifuging

Interrogative form

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

Interro-negative form

Simple form	V-ing form
mayn't I centrifuge? mayn't you centrifuge? mayn't he centrifuge? mayn't we centrifuge? mayn't you centrifuge? mayn't they centrifuge?	mayn't I be centrifuging? mayn't you be centrifuging? mayn't he be centrifuging? mayn't we be centrifuging? mayn't you be centrifuging? mayn't they be centrifuging?
Perfect	V-ing perfect
mayn't I have centrifuged? mayn't you have centrifuged? mayn't he have centrifuged? mayn't we have centrifuged? mayn't you have centrifuged? mayn't they have centrifuged?	mayn't I have been centrifuging? mayn't you have been centrifuging? mayn't he have been centrifuging? mayn't we have been centrifuging? mayn't you have been centrifuging? mayn't they have been centrifuging?