User:India Volvo

There are several types of valency:
 * 1) impersonal (=avalent) it rains
 * 2) intransitive (=monovalent) he sleeps
 * 3) transitive (=divalent) he kicks the ball
 * 4) ditransitive (=trivalent) he gave her a flower
 * 5) tritransitive (=quadrivalent) I bet him a dollar on a horse