31. Valency may be passive or causative.32. The transitivizer in Mek�ns increases valency . 33. Valency 's adaptation of " The Enchanted " by Giraudoux was also on Broadway.34. The ascertained endings are as follows ( the ellipsis marks the place of the valency vowel ): 35. The Valency institution selects some 50 works for exhibition which are representative of his career to date. 36. Thus, a case frame describes important aspects of semantic valency , of verbs, adjectives and nouns. 37. The comitative-causative increases valency and is formed by the addition of the prefix -ese. 38. Valency 's other books include " The Breaking String : The Plays of Anton Chekhov,"39. In valency marking languages, valency change is shown by inflecting the verb in order to change the valency. 40. In valency marking languages, valency change is shown by inflecting the verb in order to change the valency.