may tranquillize
Regular verb: tranquillize - tranquillized- tranquillized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may tranquillize
you may tranquillize
he may tranquillize
we may tranquillize
you may tranquillize
they may tranquillize 	I may be tranquillizing
you may be tranquillizing
he may be tranquillizing
we may be tranquillizing
you may be tranquillizing
they may be tranquillizing	I may have tranquillized
you may have tranquillized
he may have tranquillized
we may have tranquillized
you may have tranquillized
they may have tranquillized	I may have been tranquillizing
you may have been tranquillizing
he may have been tranquillizing
we may have been tranquillizing
you may have been tranquillizing
they may have been tranquillizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't tranquillize
you mayn't tranquillize
he mayn't tranquillize
we mayn't tranquillize
you mayn't tranquillize
they mayn't tranquillize 	I mayn't be tranquillizing
you mayn't be tranquillizing
he mayn't be tranquillizing
we mayn't be tranquillizing
you mayn't be tranquillizing
they mayn't be tranquillizing	I mayn't have tranquillized
you mayn't have tranquillized
he mayn't have tranquillized
we mayn't have tranquillized
you mayn't have tranquillized
they mayn't have tranquillized	I mayn't have been tranquillizing
you mayn't have been tranquillizing
he mayn't have been tranquillizing
we mayn't have been tranquillizing
you mayn't have been tranquillizing
they mayn't have been tranquillizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I tranquillize?
may you tranquillize?
may he tranquillize?
may we tranquillize?
may you tranquillize?
may they tranquillize? 	may I be tranquillizing?
may you be tranquillizing?
may he be tranquillizing?
may we be tranquillizing?
may you be tranquillizing?
may they be tranquillizing? 	may I have tranquillized?
may you have tranquillized?
may he have tranquillized?
may we have tranquillized?
may you have tranquillized?
may they have tranquillized? 	may I have been tranquillizing?
may you have been tranquillizing?
may he have been tranquillizing?
may we have been tranquillizing?
may you have been tranquillizing?
may they have been tranquillizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I tranquillize?
mayn't you tranquillize?
mayn't he tranquillize?
mayn't we tranquillize?
mayn't you tranquillize?
mayn't they tranquillize? 	mayn't I be tranquillizing?
mayn't you be tranquillizing?
mayn't he be tranquillizing?
mayn't we be tranquillizing?
mayn't you be tranquillizing?
mayn't they be tranquillizing? 	mayn't I have tranquillized?
mayn't you have tranquillized?
mayn't he have tranquillized?
mayn't we have tranquillized?
mayn't you have tranquillized?
mayn't they have tranquillized? 	mayn't I have been tranquillizing?
mayn't you have been tranquillizing?
mayn't he have been tranquillizing?
mayn't we have been tranquillizing?
mayn't you have been tranquillizing?
mayn't they have been tranquillizing?