... analysis and comparison of the function, forms and meanings of the passive voice in English and Vietnamese, which makes a ontribution to the improvement of teaching and learning of English to Vietnamese ... IISIMILARITIES AND DIFFERENCES OF USING PASSIVE VOICE IN ENGLISH AND VIETNAMESE 2.1. Passive voice in English and Vietnamese 2.1.1. In English Active voice and passive voice refer to the form of a verb. ... in English. That, as a result, has caused some misunderstanding in translation from English to Vietnamese and vice versa. The study on differences of using passive voice in English and Vietnamese, ...