Functional Linguistics Examination of Quran Verses Which Are Adorned with Signs of Day of Doom

The functional approach has different schools for example school of londone. This school have founder such as halliday who develop the contextual theory of firth then position a linguistics theory called it systemic grammar.This theory is based on multiple language functions. In the present study, by using the descriptive-analytical approach tries to verses which are adorned with the signs of Day of Doom are linguistically analyzed according to Halliday's systemic grammar in three aspects; experiential, interpersonal, and textual metafunction. Regarding the experiential metafunction, it was found out that the material process enjoys the most frequency and accords with the context of verses. This is because the nervous atmosphere which prevails before Day of Doom requires the use of verbs implying action. With respect to interpersonal metafunction, we found that polarity of all verses is positive and the verses are full of epistemic modality and declarative mood and past verbs for notification of the incidence of incidents before Day of Doom. The analysis of textual metafunction revealed that multiple theme has high frequency. Further, including new information in theme position indicates that what happens in Day of Doom is new. The analysis of verses with respect to cohesion revealed that grammatical cohesion has a prominent role in the integrity of verses.