I may whistle-stop you may whistle-stop he may whistle-stop we may whistle-stop you may whistle-stop they may whistle-stop
V-ing form
I may be whistle-stoping you may be whistle-stoping he may be whistle-stoping we may be whistle-stoping you may be whistle-stoping they may be whistle-stoping
Perfect
I may have whistle-stoped you may have whistle-stoped he may have whistle-stoped we may have whistle-stoped you may have whistle-stoped they may have whistle-stoped
V-ing perfect
I may have been whistle-stoping you may have been whistle-stoping he may have been whistle-stoping we may have been whistle-stoping you may have been whistle-stoping they may have been whistle-stoping
Negation
Simple form
I mayn't whistle-stop you mayn't whistle-stop he mayn't whistle-stop we mayn't whistle-stop you mayn't whistle-stop they mayn't whistle-stop
V-ing form
I mayn't be whistle-stoping you mayn't be whistle-stoping he mayn't be whistle-stoping we mayn't be whistle-stoping you mayn't be whistle-stoping they mayn't be whistle-stoping
Perfect
I mayn't have whistle-stoped you mayn't have whistle-stoped he mayn't have whistle-stoped we mayn't have whistle-stoped you mayn't have whistle-stoped they mayn't have whistle-stoped
V-ing perfect
I mayn't have been whistle-stoping you mayn't have been whistle-stoping he mayn't have been whistle-stoping we mayn't have been whistle-stoping you mayn't have been whistle-stoping they mayn't have been whistle-stoping
Interrogative form
Simple form
may I whistle-stop? may you whistle-stop? may he whistle-stop? may we whistle-stop? may you whistle-stop? may they whistle-stop?
V-ing form
may I be whistle-stoping? may you be whistle-stoping? may he be whistle-stoping? may we be whistle-stoping? may you be whistle-stoping? may they be whistle-stoping?
Perfect
may I have whistle-stoped? may you have whistle-stoped? may he have whistle-stoped? may we have whistle-stoped? may you have whistle-stoped? may they have whistle-stoped?
V-ing perfect
may I have been whistle-stoping? may you have been whistle-stoping? may he have been whistle-stoping? may we have been whistle-stoping? may you have been whistle-stoping? may they have been whistle-stoping?
Interro-negative form
Simple form
mayn't I whistle-stop? mayn't you whistle-stop? mayn't he whistle-stop? mayn't we whistle-stop? mayn't you whistle-stop? mayn't they whistle-stop?
V-ing form
mayn't I be whistle-stoping? mayn't you be whistle-stoping? mayn't he be whistle-stoping? mayn't we be whistle-stoping? mayn't you be whistle-stoping? mayn't they be whistle-stoping?
Perfect
mayn't I have whistle-stoped? mayn't you have whistle-stoped? mayn't he have whistle-stoped? mayn't we have whistle-stoped? mayn't you have whistle-stoped? mayn't they have whistle-stoped?
V-ing perfect
mayn't I have been whistle-stoping? mayn't you have been whistle-stoping? mayn't he have been whistle-stoping? mayn't we have been whistle-stoping? mayn't you have been whistle-stoping? mayn't they have been whistle-stoping?