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 may not whistle-stop you may not whistle-stop he may not whistle-stop we may not whistle-stop you may not whistle-stop they may not whistle-stop
V-ing form
I may not be whistle-stoping you may not be whistle-stoping he may not be whistle-stoping we may not be whistle-stoping you may not be whistle-stoping they may not be whistle-stoping
Perfect
I may not have whistle-stoped you may not have whistle-stoped he may not have whistle-stoped we may not have whistle-stoped you may not have whistle-stoped they may not have whistle-stoped
V-ing perfect
I may not have been whistle-stoping you may not have been whistle-stoping he may not have been whistle-stoping we may not have been whistle-stoping you may not have been whistle-stoping they may not 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
may I not whistle-stop? may you not whistle-stop? may he not whistle-stop? may we not whistle-stop? may you not whistle-stop? may they not whistle-stop?
V-ing form
may I not be whistle-stoping? may you not be whistle-stoping? may he not be whistle-stoping? may we not be whistle-stoping? may you not be whistle-stoping? may they not be whistle-stoping?
Perfect
may I not have whistle-stoped? may you not have whistle-stoped? may he not have whistle-stoped? may we not have whistle-stoped? may you not have whistle-stoped? may they not have whistle-stoped?
V-ing perfect
may I not have been whistle-stoping? may you not have been whistle-stoping? may he not have been whistle-stoping? may we not have been whistle-stoping? may you not have been whistle-stoping? may they not have been whistle-stoping?