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Systematic Functional Grammar always acts as one of the most influential linguistic schools.Though much work about discourse analysis has been done before,little attention has been paid to the specific type of discourse—political speeches.For ideational function,six processes of transitivity system and voice are involved.In terms of interpersonal function,contrastive studies are done on the basis of mood and modality.The comparisons reveal that there are remarkable differences as well similarities between the two groups of political discourses.The differences could be explained by different cultural backgrounds and the similarities come from common features of political speeches.It is expected that the studies could supply us with theoretical and practical implications about language teaching and translation practice.
Systematic Functional Grammar always acts as one of the most influential linguistic schools. Though much work about discourse analysis has been done before, little attention has been paid to the specific type of discourse-political speeches. For ideational functions, six processes of transitivity system and voice are involved. terms of interpersonal function, contrastive studies are done on the basis of mood and modality.The comparisons reveal that there are remarkable differences as well similar similar between the two groups of political discourses.The differences could be explained by different cultural backgrounds and the similarities come from common features of political speeches. It is expected that the studies could supply us with theoretical and practical implications about language teaching and translation practice.