Intensive Outpatient Treatment (also known as IOP for Intensive Outpatient Program) is a primary treatment program recommended in some circumstances by a clinical and medical assessment. IOP may be recommended for those who do not need medically-supervised detox.
The genitive is the case (or function) of an inflected form of a noun or pronoun showing ownership, measurement, association, or source. Adjective: genitival. The suffix -'s on nouns is a marker of genitive case in English. Genitive case can also be indicated by an of phrase after a noun.
Infinitives and Conjugations. When you study verbs, you will need to know the difference between the infinitive form of the verb and the finite forms, or conjugated forms. In English, infinitives are verbs preceded by the word to. In Spanish, infinitives end in -ar, -er, or -ir.