澳洲係用美式定係英式英語？？？？？？

澳洲人用澳式英語。
但是大多时， Grammar 都是用英式英語， 只有讲时才不同。

they have their own accent and choice of word--called autralian english. canada also has canadian english.

澳洲人多數係用美式英語定係英式英語多架？

Technically, Australian Speak Homogenous Accents (No accents) and Australian Accents (Outback Accents)

Most australian does not speak with accents, it is more align to the American Acents.

Compare the following accents

http://www.youtube.com/watch?v=ohnd98mZybs (Homogenous Accents - Channel 10 Australian news)

http://www.youtube.com/watch?v=N4_mWRnmWEs (Australian Accents - Steve Irwin Speaking)

http://www.youtube.com/watch?v=5MyC25OKrto (British Accents - BBC news)

http://www.youtube.com/watch?v=eLo7G7UNfcM (American Accents - CNN news on Susan Boyle)

Play the 4 clips and you can see the different.

Most australian speak the 1st accents (Homogenous Accents) and while people do speak Australian Accents (clip 2) but mostly on outback or northern and western part of the country. About 80% of Australian speak the first one, and 20-30 % Speak the second one (Some can speak both, that's account for more than 100% population)

By the way, mate is Australian, British and Canadian Accents. (Australian, British and Canadian all use mate to call their pal) G'day is a more proper example on australian accents

澳洲人係用澳式英語的, mate(朋友)!

在對話後加上mate來表示親切和打招呼是你首先要學懂的習慣語，,而且是要澳洲口音的。不是英式亦不是美式。

Well actually,they use their own English language--Australian English
http://en.wikipedia.org/wiki/Australian_English

And this one is closer to British English that to American English.