I may accelerate you may accelerate she may accelerate we may accelerate you may accelerate they may accelerate
V-ing form
I may be accelerating you may be accelerating she may be accelerating we may be accelerating you may be accelerating they may be accelerating
Perfect
I may have accelerated you may have accelerated she may have accelerated we may have accelerated you may have accelerated they may have accelerated
V-ing perfect
I may have been accelerating you may have been accelerating she may have been accelerating we may have been accelerating you may have been accelerating they may have been accelerating
Negation
Simple form
I mayn't accelerate you mayn't accelerate she mayn't accelerate we mayn't accelerate you mayn't accelerate they mayn't accelerate
V-ing form
I mayn't be accelerating you mayn't be accelerating she mayn't be accelerating we mayn't be accelerating you mayn't be accelerating they mayn't be accelerating
Perfect
I mayn't have accelerated you mayn't have accelerated she mayn't have accelerated we mayn't have accelerated you mayn't have accelerated they mayn't have accelerated
V-ing perfect
I mayn't have been accelerating you mayn't have been accelerating she mayn't have been accelerating we mayn't have been accelerating you mayn't have been accelerating they mayn't have been accelerating
Interrogative form
Simple form
may I accelerate? may you accelerate? may she accelerate? may we accelerate? may you accelerate? may they accelerate?
V-ing form
may I be accelerating? may you be accelerating? may she be accelerating? may we be accelerating? may you be accelerating? may they be accelerating?
Perfect
may I have accelerated? may you have accelerated? may she have accelerated? may we have accelerated? may you have accelerated? may they have accelerated?
V-ing perfect
may I have been accelerating? may you have been accelerating? may she have been accelerating? may we have been accelerating? may you have been accelerating? may they have been accelerating?
Interro-negative form
Simple form
mayn't I accelerate? mayn't you accelerate? mayn't she accelerate? mayn't we accelerate? mayn't you accelerate? mayn't they accelerate?
V-ing form
mayn't I be accelerating? mayn't you be accelerating? mayn't she be accelerating? mayn't we be accelerating? mayn't you be accelerating? mayn't they be accelerating?
Perfect
mayn't I have accelerated? mayn't you have accelerated? mayn't she have accelerated? mayn't we have accelerated? mayn't you have accelerated? mayn't they have accelerated?
V-ing perfect
mayn't I have been accelerating? mayn't you have been accelerating? mayn't she have been accelerating? mayn't we have been accelerating? mayn't you have been accelerating? mayn't they have been accelerating?