may vaccinate
Regular verb: vaccinate - vaccinated- vaccinated

Affirmation 	
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I may vaccinate
you may vaccinate
he may vaccinate
we may vaccinate
you may vaccinate
they may vaccinate 	I may be vaccinating
you may be vaccinating
he may be vaccinating
we may be vaccinating
you may be vaccinating
they may be vaccinating	I may have vaccinated
you may have vaccinated
he may have vaccinated
we may have vaccinated
you may have vaccinated
they may have vaccinated	I may have been vaccinating
you may have been vaccinating
he may have been vaccinating
we may have been vaccinating
you may have been vaccinating
they may have been vaccinating	

Negation 	
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I mayn't vaccinate
you mayn't vaccinate
he mayn't vaccinate
we mayn't vaccinate
you mayn't vaccinate
they mayn't vaccinate 	I mayn't be vaccinating
you mayn't be vaccinating
he mayn't be vaccinating
we mayn't be vaccinating
you mayn't be vaccinating
they mayn't be vaccinating	I mayn't have vaccinated
you mayn't have vaccinated
he mayn't have vaccinated
we mayn't have vaccinated
you mayn't have vaccinated
they mayn't have vaccinated	I mayn't have been vaccinating
you mayn't have been vaccinating
he mayn't have been vaccinating
we mayn't have been vaccinating
you mayn't have been vaccinating
they mayn't have been vaccinating	

Interrogative form 	
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may I vaccinate?
may you vaccinate?
may he vaccinate?
may we vaccinate?
may you vaccinate?
may they vaccinate? 	may I be vaccinating?
may you be vaccinating?
may he be vaccinating?
may we be vaccinating?
may you be vaccinating?
may they be vaccinating? 	may I have vaccinated?
may you have vaccinated?
may he have vaccinated?
may we have vaccinated?
may you have vaccinated?
may they have vaccinated? 	may I have been vaccinating?
may you have been vaccinating?
may he have been vaccinating?
may we have been vaccinating?
may you have been vaccinating?
may they have been vaccinating? 	

Interro-negative form 	
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mayn't I vaccinate?
mayn't you vaccinate?
mayn't he vaccinate?
mayn't we vaccinate?
mayn't you vaccinate?
mayn't they vaccinate? 	mayn't I be vaccinating?
mayn't you be vaccinating?
mayn't he be vaccinating?
mayn't we be vaccinating?
mayn't you be vaccinating?
mayn't they be vaccinating? 	mayn't I have vaccinated?
mayn't you have vaccinated?
mayn't he have vaccinated?
mayn't we have vaccinated?
mayn't you have vaccinated?
mayn't they have vaccinated? 	mayn't I have been vaccinating?
mayn't you have been vaccinating?
mayn't he have been vaccinating?
mayn't we have been vaccinating?
mayn't you have been vaccinating?
mayn't they have been vaccinating?