may oscillate
Regular verb: oscillate - oscillated- oscillated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may oscillate
you may oscillate
she may oscillate
we may oscillate
you may oscillate
they may oscillate 	I may be oscillating
you may be oscillating
she may be oscillating
we may be oscillating
you may be oscillating
they may be oscillating	I may have oscillated
you may have oscillated
she may have oscillated
we may have oscillated
you may have oscillated
they may have oscillated	I may have been oscillating
you may have been oscillating
she may have been oscillating
we may have been oscillating
you may have been oscillating
they may have been oscillating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mayn't oscillate
you mayn't oscillate
she mayn't oscillate
we mayn't oscillate
you mayn't oscillate
they mayn't oscillate 	I mayn't be oscillating
you mayn't be oscillating
she mayn't be oscillating
we mayn't be oscillating
you mayn't be oscillating
they mayn't be oscillating	I mayn't have oscillated
you mayn't have oscillated
she mayn't have oscillated
we mayn't have oscillated
you mayn't have oscillated
they mayn't have oscillated	I mayn't have been oscillating
you mayn't have been oscillating
she mayn't have been oscillating
we mayn't have been oscillating
you mayn't have been oscillating
they mayn't have been oscillating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I oscillate?
may you oscillate?
may she oscillate?
may we oscillate?
may you oscillate?
may they oscillate? 	may I be oscillating?
may you be oscillating?
may she be oscillating?
may we be oscillating?
may you be oscillating?
may they be oscillating? 	may I have oscillated?
may you have oscillated?
may she have oscillated?
may we have oscillated?
may you have oscillated?
may they have oscillated? 	may I have been oscillating?
may you have been oscillating?
may she have been oscillating?
may we have been oscillating?
may you have been oscillating?
may they have been oscillating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mayn't I oscillate?
mayn't you oscillate?
mayn't she oscillate?
mayn't we oscillate?
mayn't you oscillate?
mayn't they oscillate? 	mayn't I be oscillating?
mayn't you be oscillating?
mayn't she be oscillating?
mayn't we be oscillating?
mayn't you be oscillating?
mayn't they be oscillating? 	mayn't I have oscillated?
mayn't you have oscillated?
mayn't she have oscillated?
mayn't we have oscillated?
mayn't you have oscillated?
mayn't they have oscillated? 	mayn't I have been oscillating?
mayn't you have been oscillating?
mayn't she have been oscillating?
mayn't we have been oscillating?
mayn't you have been oscillating?
mayn't they have been oscillating?