They could also precede verbs to indicate the direction of the action. These emanations arise out of three preliminary states that are considered to precede manifestation. This includes muscle contractions of the uterus (menstrual cramping) that can precede or accompany menstruation. It may precede a migraine headache, but can also occur acephalgically (without headache). Attributive adjectives always precede the noun that they modify. Used attributively, adjectives precede the nouns they modify. Note that any import statements must precede the class declaration. As they are pronouns they cannot precede any noun. Sexual maturity may even precede or follow mating. There are also cases in which the adverb must immediately precede the predicate. In prepositional phrases, prepositions always precede their noun complements. These proclitics can also precede nonverbal predicates. Simply put, conscious intention must precede action if it is its cause. Several other rituals may precede or follow these afore-mentioned rites. Minimally invasive therapies may precede higher recurrence rates.