Is the following sentence correct?<br/><br/><ul> <li>You can take ABC's help, If required.</li> </ul>Is the above sentence correct?<br/><br/>or <br/><br/>It should be,<br/><br/><ul> <li>You can take ABC's, If it is required.</li> </ul>What is the role of 'required' in the first sentence? Is it an adjective or verb?<br/><br/>Thanks