TRANSITIVITY SYSTEM OF BIOLOGY BILINGUAL TEXTBOOK OF GRADE X SENIOR HIGH SCHOOL

This thesis deals with the analysis of transitivity systems found in clauses of Biology Bilingual Textbook of Grade X Senior High School. Three aspects were discussed in this thesis, i.e. (1) the similiarities and differences in transitivity systems between English and Indonesian of Bilingual Biology textbook; (2) the transitivity system used in the textbook; and (iii) the reasons of choosing such kind of the transitivity system in both of English and Indonesianclauses found in Bilingual Biology textbook. By using systemic functional linguistics the results of the analysis were (i) all types of transitivity systems existed in clauses found in the textbook. (ii) the textbook was dominated by Process Material (ProMat) and followed by Pro.Rel.Indtn, Pro.Rel.Att. and Pro.Men. respectively, There were also some differences in the process that were distinguished according to whether they represent actions, speech, states of mind or states of being.