may deduce
Regular verb: deduce - deduced- deduced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may deduce
you may deduce
he may deduce
we may deduce
you may deduce
they may deduce 	I may be deducing
you may be deducing
he may be deducing
we may be deducing
you may be deducing
they may be deducing	I may have deduced
you may have deduced
he may have deduced
we may have deduced
you may have deduced
they may have deduced	I may have been deducing
you may have been deducing
he may have been deducing
we may have been deducing
you may have been deducing
they may have been deducing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't deduce
you mayn't deduce
he mayn't deduce
we mayn't deduce
you mayn't deduce
they mayn't deduce 	I mayn't be deducing
you mayn't be deducing
he mayn't be deducing
we mayn't be deducing
you mayn't be deducing
they mayn't be deducing	I mayn't have deduced
you mayn't have deduced
he mayn't have deduced
we mayn't have deduced
you mayn't have deduced
they mayn't have deduced	I mayn't have been deducing
you mayn't have been deducing
he mayn't have been deducing
we mayn't have been deducing
you mayn't have been deducing
they mayn't have been deducing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I deduce?
may you deduce?
may he deduce?
may we deduce?
may you deduce?
may they deduce? 	may I be deducing?
may you be deducing?
may he be deducing?
may we be deducing?
may you be deducing?
may they be deducing? 	may I have deduced?
may you have deduced?
may he have deduced?
may we have deduced?
may you have deduced?
may they have deduced? 	may I have been deducing?
may you have been deducing?
may he have been deducing?
may we have been deducing?
may you have been deducing?
may they have been deducing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I deduce?
mayn't you deduce?
mayn't he deduce?
mayn't we deduce?
mayn't you deduce?
mayn't they deduce? 	mayn't I be deducing?
mayn't you be deducing?
mayn't he be deducing?
mayn't we be deducing?
mayn't you be deducing?
mayn't they be deducing? 	mayn't I have deduced?
mayn't you have deduced?
mayn't he have deduced?
mayn't we have deduced?
mayn't you have deduced?
mayn't they have deduced? 	mayn't I have been deducing?
mayn't you have been deducing?
mayn't he have been deducing?
mayn't we have been deducing?
mayn't you have been deducing?
mayn't they have been deducing?