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