... troublesome?Answer:Most of these pronouns change in form, depending on the way they areused in a sentence. On the other hand, the nouns that these pronounsstand for do not change. For example, take the noun George. ... noun George does not change in form, whether used as a subject, a di-rect object, or an indirect object.But most pronouns change in form, depending on their use. For example, he can beused as ... complained.S. V. For a DIRECT OBJECT, we must use him: The noise bothered him.S. V. D.O.Also, for an INDIRECT OBJECTwe must use him: The noise gave him a headache.S. V. I.O. D.O.The Different Forms...