Which of the following is not one of the twelve morphological classifications recognized by structural grammarians?
1.adjective
2.noun
3.auxiliary
4.transform

The correct answer is 4. transform.

According to structural grammarians, who, as the name itself suggests, study the structure of grammars, there are 12 types of words, some of which include adjectives, nouns, verbs, etc. In the list above, we can immediately see that adjectives and nouns fall under the category of morphological classifications.

Auxiliary mostly refer to auxiliary verbs, such as to be, to have, etc. which are used to form various tenses.

The only option that is not one of the morphological classifications is transform.

cassius, casca, and their allies plant false documents to manipulate brutus to join their cause to remove caesar. after doing so, they visit brutus at night in his home to persuade him of their views. there they plan caesar's death. brutus is troubled but refuses to confide in his devoted wife, portia. on 15 march, caesar's wife, calpurnia, urges him not to go to the senate. she has had visionary dreams and fears the portents of the overnight storms.