may attenuate
Regular verb: attenuate - attenuated- attenuated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may attenuate
you may attenuate
he may attenuate
we may attenuate
you may attenuate
they may attenuate 	I may be attenuating
you may be attenuating
he may be attenuating
we may be attenuating
you may be attenuating
they may be attenuating	I may have attenuated
you may have attenuated
he may have attenuated
we may have attenuated
you may have attenuated
they may have attenuated	I may have been attenuating
you may have been attenuating
he may have been attenuating
we may have been attenuating
you may have been attenuating
they may have been attenuating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't attenuate
you mayn't attenuate
he mayn't attenuate
we mayn't attenuate
you mayn't attenuate
they mayn't attenuate 	I mayn't be attenuating
you mayn't be attenuating
he mayn't be attenuating
we mayn't be attenuating
you mayn't be attenuating
they mayn't be attenuating	I mayn't have attenuated
you mayn't have attenuated
he mayn't have attenuated
we mayn't have attenuated
you mayn't have attenuated
they mayn't have attenuated	I mayn't have been attenuating
you mayn't have been attenuating
he mayn't have been attenuating
we mayn't have been attenuating
you mayn't have been attenuating
they mayn't have been attenuating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I attenuate?
may you attenuate?
may he attenuate?
may we attenuate?
may you attenuate?
may they attenuate? 	may I be attenuating?
may you be attenuating?
may he be attenuating?
may we be attenuating?
may you be attenuating?
may they be attenuating? 	may I have attenuated?
may you have attenuated?
may he have attenuated?
may we have attenuated?
may you have attenuated?
may they have attenuated? 	may I have been attenuating?
may you have been attenuating?
may he have been attenuating?
may we have been attenuating?
may you have been attenuating?
may they have been attenuating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I attenuate?
mayn't you attenuate?
mayn't he attenuate?
mayn't we attenuate?
mayn't you attenuate?
mayn't they attenuate? 	mayn't I be attenuating?
mayn't you be attenuating?
mayn't he be attenuating?
mayn't we be attenuating?
mayn't you be attenuating?
mayn't they be attenuating? 	mayn't I have attenuated?
mayn't you have attenuated?
mayn't he have attenuated?
mayn't we have attenuated?
mayn't you have attenuated?
mayn't they have attenuated? 	mayn't I have been attenuating?
mayn't you have been attenuating?
mayn't he have been attenuating?
mayn't we have been attenuating?
mayn't you have been attenuating?
mayn't they have been attenuating?