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