I ought to refrigerate you ought to refrigerate he ought to refrigerate we ought to refrigerate you ought to refrigerate they ought to refrigerate
V-ing form
I ought to be refrigerating you ought to be refrigerating he ought to be refrigerating we ought to be refrigerating you ought to be refrigerating they ought to be refrigerating
Perfect
I ought to have refrigerated you ought to have refrigerated he ought to have refrigerated we ought to have refrigerated you ought to have refrigerated they ought to have refrigerated
V-ing perfect
I ought to have been refrigerating you ought to have been refrigerating he ought to have been refrigerating we ought to have been refrigerating you ought to have been refrigerating they ought to have been refrigerating
Negation
Simple form
I ought not to refrigerate you ought not to refrigerate he ought not to refrigerate we ought not to refrigerate you ought not to refrigerate they ought not to refrigerate
V-ing form
I ought not to refrigerating you ought not to refrigerating he ought not to refrigerating we ought not to refrigerating you ought not to refrigerating they ought not to refrigerating
Perfect
I ought not to have refrigerated you ought not to have refrigerated he ought not to have refrigerated we ought not to have refrigerated you ought not to have refrigerated they ought not to have refrigerated
V-ing perfect
I ought not to have been refrigerating you ought not to have been refrigerating he ought not to have been refrigerating we ought not to have been refrigerating you ought not to have been refrigerating they ought not to have been refrigerating
Interrogative form
Simple form
ought to I refrigerate? ought to you refrigerate? ought to he refrigerate? ought to we refrigerate? ought to you refrigerate? ought to they refrigerate?
V-ing form
ought to I be refrigerating? ought to you be refrigerating? ought to he be refrigerating? ought to we be refrigerating? ought to you be refrigerating? ought to they be refrigerating?
Perfect
ought to I have refrigerated? ought to you have refrigerated? ought to he have refrigerated? ought to we have refrigerated? ought to you have refrigerated? ought to they have refrigerated?
V-ing perfect
ought to I have been refrigerating? ought to you have been refrigerating? ought to he have been refrigerating? ought to we have been refrigerating? ought to you have been refrigerating? ought to they have been refrigerating?
Interro-negative form
Simple form
ought I not to refrigerate? ought you not to refrigerate? ought he not to refrigerate? ought we not to refrigerate? ought you not to refrigerate? ought they not to refrigerate?
V-ing form
ought I not to be refrigerating? ought you not to be refrigerating? ought he not to be refrigerating? ought we not to be refrigerating? ought you not to be refrigerating? ought they not to be refrigerating?
Perfect
ought I not to have refrigerated? ought you not to have refrigerated? ought he not to have refrigerated? ought we not to have refrigerated? ought you not to have refrigerated? ought they not to have refrigerated?
V-ing perfect
ought I not to have been refrigerating? ought you not to have been refrigerating? ought he not to have been refrigerating? ought we not to have been refrigerating? ought you not to have been refrigerating? ought they not to have been refrigerating?