may contemn
Regular verb: contemn - contemned- contemned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may contemn
you may contemn
he may contemn
we may contemn
you may contemn
they may contemn 	I may be contemning
you may be contemning
he may be contemning
we may be contemning
you may be contemning
they may be contemning	I may have contemned
you may have contemned
he may have contemned
we may have contemned
you may have contemned
they may have contemned	I may have been contemning
you may have been contemning
he may have been contemning
we may have been contemning
you may have been contemning
they may have been contemning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't contemn
you mayn't contemn
he mayn't contemn
we mayn't contemn
you mayn't contemn
they mayn't contemn 	I mayn't be contemning
you mayn't be contemning
he mayn't be contemning
we mayn't be contemning
you mayn't be contemning
they mayn't be contemning	I mayn't have contemned
you mayn't have contemned
he mayn't have contemned
we mayn't have contemned
you mayn't have contemned
they mayn't have contemned	I mayn't have been contemning
you mayn't have been contemning
he mayn't have been contemning
we mayn't have been contemning
you mayn't have been contemning
they mayn't have been contemning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I contemn?
may you contemn?
may he contemn?
may we contemn?
may you contemn?
may they contemn? 	may I be contemning?
may you be contemning?
may he be contemning?
may we be contemning?
may you be contemning?
may they be contemning? 	may I have contemned?
may you have contemned?
may he have contemned?
may we have contemned?
may you have contemned?
may they have contemned? 	may I have been contemning?
may you have been contemning?
may he have been contemning?
may we have been contemning?
may you have been contemning?
may they have been contemning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I contemn?
mayn't you contemn?
mayn't he contemn?
mayn't we contemn?
mayn't you contemn?
mayn't they contemn? 	mayn't I be contemning?
mayn't you be contemning?
mayn't he be contemning?
mayn't we be contemning?
mayn't you be contemning?
mayn't they be contemning? 	mayn't I have contemned?
mayn't you have contemned?
mayn't he have contemned?
mayn't we have contemned?
mayn't you have contemned?
mayn't they have contemned? 	mayn't I have been contemning?
mayn't you have been contemning?
mayn't he have been contemning?
mayn't we have been contemning?
mayn't you have been contemning?
mayn't they have been contemning?