This research was focused on the types of illocutionary acts and the function of illocutionary
acts are found in Donald Trump’s campaign speech text. This research used descriptive
qualitative method. Donald Trump was the subject of this study. The source of data in this
research was the official transcript of Donald Trump’s campaign speech text. All of the words
or the sentences consisting illocutionary acts appeared in the speech text were the data in this
study. The researcher was the primary instrument of the study supported by the secondary
instrument called data sheets. The result of this research showed the types of illocutionary acts
in Donald Trump’s campaign speech text was five, there are assertive, directive, commissive,
expressive, and declarative. And then, this research also showed the function of illocutionary
acts found in Donald Trump’s campaign speech text was four namely competitive, convivial,
collaborative, and conflictive. The researcher pointed out suggestions to (1) English teacher
should get deeper knowledge about the illocutionary acts and apply it in teaching activities, (2)
Student should know more about illocutionary acts and should think critically to understand
every conversation with other speaker, (3) Other researcher should explore more about
illocutionary acts.