Contents introduction chapter I. Bases of english language and its stylistic layers

First person pronouns:

Various research methods were considered for the study.	I considered various research methods for the study.
It is believed the practice is unsustainable.	We believe the practice is unsustainable.
During the interview students were asked about their experiences.	During the interview I asked students about their experiences.
Acronyms:
TAFE Technical and Further Education
ANZAC Australian and New Zealand Army Corps
TAFE Technical and Further Education
QANTAS Queensland and Northern Territory Aerial Services
Initialisms:
UTS University of Technology Sydney
ISO International Standards Organization
OECD Organization for Economic Cooperation and Development

Contracted Forms:
Don't use contracted forms, use the entire auxiliary verb: They have lived in New York for many years.	Use contracted forms: They've lived in New York for many years.