1-Existential presupposition: it is the assumption of the existence of the entities named by the speaker can presuppose that Tom For example, when a speaker says "Tom's car is new" exists and that he has a car. 2-Factive presupposition: it is the assumption that something is true due to the presence of as "know" and "realize" and of phrases involving glad for example. Thus, when a speaker says that s didn't realize someone was ill, we can presuppose that someone is ill. Also, when she "I'm glad it's over", we can says presuppose that it's over. 13 lexical presuppasition it is the assumption that in using one word, the speaker can et as if another meaning Kword) will be understood. For instance: Andrew stopped running. >>He used to run You are late again. You were late before.) In this case, the use of the expressions "stop" and "again" are taken to presuppose another (unstated) concept. 4-Structural presupposition: it is the assumption associated with the use of certain words and phrases. For example, wh-question n English are conventionally nterpreted with the presupposition that the information after the wh-form (e.g. when and where) is already known to be the case when did she travel to the USA? she traveled) where did you buy the book? you bought the book) The listener perceives that the information presented is necessarily true rather than just the presupposition of the person asking the question. 5- Non- factive presupposition: it is an that something is not true. For example, verbs like "dream", magine and pretend used with the presupposition that what follows is not true. I dreamed that I was rich. I am not rich) We imagined that we were in London. We are not in London) osition: it is the assumption that what is presupposed is not nly untrue, but the opposite of what is contrary to facts. For instance, structures, generally called counterf conditionals, presuppose some clauses, is not true at the time of utterance that the information, in in- this. you are not my alow you to do were my daughter, I would n daughter)