While

Conjunció subordinada

  working

Verb

  with

Adposició

  Quechua

Adjectiu

  Indians

Nom propi

,  Elliot

Nom propi

  began

Verb

  preparing

Verb

  to

Partícula

  reach

Verb

  the

Determinador

  Huaorani

Nom propi

.

While working with Quechua Indians, Elliot began preparing to reach the Huaorani.

While working with Quechua Indians, Elliot began preparing to reach the Huaorani.