I may fractionate you may fractionate he may fractionate we may fractionate you may fractionate they may fractionate
V-ing form
I may be fractionating you may be fractionating he may be fractionating we may be fractionating you may be fractionating they may be fractionating
Perfect
I may have fractionated you may have fractionated he may have fractionated we may have fractionated you may have fractionated they may have fractionated
V-ing perfect
I may have been fractionating you may have been fractionating he may have been fractionating we may have been fractionating you may have been fractionating they may have been fractionating
Negation
Simple form
I may not fractionate you may not fractionate he may not fractionate we may not fractionate you may not fractionate they may not fractionate
V-ing form
I may not be fractionating you may not be fractionating he may not be fractionating we may not be fractionating you may not be fractionating they may not be fractionating
Perfect
I may not have fractionated you may not have fractionated he may not have fractionated we may not have fractionated you may not have fractionated they may not have fractionated
V-ing perfect
I may not have been fractionating you may not have been fractionating he may not have been fractionating we may not have been fractionating you may not have been fractionating they may not have been fractionating
Interrogative form
Simple form
may I fractionate? may you fractionate? may he fractionate? may we fractionate? may you fractionate? may they fractionate?
V-ing form
may I be fractionating? may you be fractionating? may he be fractionating? may we be fractionating? may you be fractionating? may they be fractionating?
Perfect
may I have fractionated? may you have fractionated? may he have fractionated? may we have fractionated? may you have fractionated? may they have fractionated?
V-ing perfect
may I have been fractionating? may you have been fractionating? may he have been fractionating? may we have been fractionating? may you have been fractionating? may they have been fractionating?
Interro-negative form
Simple form
may I not fractionate? may you not fractionate? may he not fractionate? may we not fractionate? may you not fractionate? may they not fractionate?
V-ing form
may I not be fractionating? may you not be fractionating? may he not be fractionating? may we not be fractionating? may you not be fractionating? may they not be fractionating?
Perfect
may I not have fractionated? may you not have fractionated? may he not have fractionated? may we not have fractionated? may you not have fractionated? may they not have fractionated?
V-ing perfect
may I not have been fractionating? may you not have been fractionating? may he not have been fractionating? may we not have been fractionating? may you not have been fractionating? may they not have been fractionating?