After briefly introducing presupposition and its types, this article principally analyzes the application of presupposition triggers in NETEM incorporating change-ofstate verbs, verbs of judging and wh-question. The conclusion is that knowing the information pragmatic triggers presuppose and locating the triggers can be very beneficial to candidates. After briefly introducing presupposition and its types, this article principally analyzes the application of presupposition triggers in NETEM incorporating change-ofstate verbs, verbs of judging and wh-question. The conclusion is that knowing the information pragmatic triggers presuppose and locating the triggers can be very beneficial to candidates.