may assume
Regular verb: assume - assumed- assumed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may assume
you may assume
he may assume
we may assume
you may assume
they may assume 	I may be assuming
you may be assuming
he may be assuming
we may be assuming
you may be assuming
they may be assuming	I may have assumed
you may have assumed
he may have assumed
we may have assumed
you may have assumed
they may have assumed	I may have been assuming
you may have been assuming
he may have been assuming
we may have been assuming
you may have been assuming
they may have been assuming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't assume
you mayn't assume
he mayn't assume
we mayn't assume
you mayn't assume
they mayn't assume 	I mayn't be assuming
you mayn't be assuming
he mayn't be assuming
we mayn't be assuming
you mayn't be assuming
they mayn't be assuming	I mayn't have assumed
you mayn't have assumed
he mayn't have assumed
we mayn't have assumed
you mayn't have assumed
they mayn't have assumed	I mayn't have been assuming
you mayn't have been assuming
he mayn't have been assuming
we mayn't have been assuming
you mayn't have been assuming
they mayn't have been assuming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I assume?
may you assume?
may he assume?
may we assume?
may you assume?
may they assume? 	may I be assuming?
may you be assuming?
may he be assuming?
may we be assuming?
may you be assuming?
may they be assuming? 	may I have assumed?
may you have assumed?
may he have assumed?
may we have assumed?
may you have assumed?
may they have assumed? 	may I have been assuming?
may you have been assuming?
may he have been assuming?
may we have been assuming?
may you have been assuming?
may they have been assuming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I assume?
mayn't you assume?
mayn't he assume?
mayn't we assume?
mayn't you assume?
mayn't they assume? 	mayn't I be assuming?
mayn't you be assuming?
mayn't he be assuming?
mayn't we be assuming?
mayn't you be assuming?
mayn't they be assuming? 	mayn't I have assumed?
mayn't you have assumed?
mayn't he have assumed?
mayn't we have assumed?
mayn't you have assumed?
mayn't they have assumed? 	mayn't I have been assuming?
mayn't you have been assuming?
mayn't he have been assuming?
mayn't we have been assuming?
mayn't you have been assuming?
mayn't they have been assuming?