I ought to lactate you ought to lactate he ought to lactate we ought to lactate you ought to lactate they ought to lactate
V-ing form
I ought to be lactating you ought to be lactating he ought to be lactating we ought to be lactating you ought to be lactating they ought to be lactating
Perfect
I ought to have lactated you ought to have lactated he ought to have lactated we ought to have lactated you ought to have lactated they ought to have lactated
V-ing perfect
I ought to have been lactating you ought to have been lactating he ought to have been lactating we ought to have been lactating you ought to have been lactating they ought to have been lactating
Negation
Simple form
I ought not to lactate you ought not to lactate he ought not to lactate we ought not to lactate you ought not to lactate they ought not to lactate
V-ing form
I ought not to lactating you ought not to lactating he ought not to lactating we ought not to lactating you ought not to lactating they ought not to lactating
Perfect
I ought not to have lactated you ought not to have lactated he ought not to have lactated we ought not to have lactated you ought not to have lactated they ought not to have lactated
V-ing perfect
I ought not to have been lactating you ought not to have been lactating he ought not to have been lactating we ought not to have been lactating you ought not to have been lactating they ought not to have been lactating
Interrogative form
Simple form
ought to I lactate? ought to you lactate? ought to he lactate? ought to we lactate? ought to you lactate? ought to they lactate?
V-ing form
ought to I be lactating? ought to you be lactating? ought to he be lactating? ought to we be lactating? ought to you be lactating? ought to they be lactating?
Perfect
ought to I have lactated? ought to you have lactated? ought to he have lactated? ought to we have lactated? ought to you have lactated? ought to they have lactated?
V-ing perfect
ought to I have been lactating? ought to you have been lactating? ought to he have been lactating? ought to we have been lactating? ought to you have been lactating? ought to they have been lactating?
Interro-negative form
Simple form
ought I not to lactate? ought you not to lactate? ought he not to lactate? ought we not to lactate? ought you not to lactate? ought they not to lactate?
V-ing form
ought I not to be lactating? ought you not to be lactating? ought he not to be lactating? ought we not to be lactating? ought you not to be lactating? ought they not to be lactating?
Perfect
ought I not to have lactated? ought you not to have lactated? ought he not to have lactated? ought we not to have lactated? ought you not to have lactated? ought they not to have lactated?
V-ing perfect
ought I not to have been lactating? ought you not to have been lactating? ought he not to have been lactating? ought we not to have been lactating? ought you not to have been lactating? ought they not to have been lactating?