You can show you have Competent English via any one of the following ways:
If you are a passport holder from the UK, Ireland, US, New Zealand or Canada, provision of these passport details will be sufficient.
Your Schooling in English
If you have completed at least five years of full-time study in high school or higher (i.e. college or university) where all tuition was delivered in English, this will meet the English requirement. You must provide evidence of this, and the evidence must show:
This evidence is required even if you believe it may be obvious. For instance, a Japanese passport holder needed to provide additional written evidence to show instruction for her schooling was in English, even though her schooling was in New Zealand!
Generally a letter from the school or college will be sufficient, provided it includes all the required information.
Sitting An Approved Test
If you cannot show either of the above, you will need to sit an approved English test.
You must sit the test within the 3 years leading up to the lodgment of the application. The approved tests and required scores are outlined below:
IELTS (International English Language Test System)
OET (Occupational English Test)
TOEFL iBT (Test of English as a Foreign Language)
PTE Academic (Pearson Test of English)
CAE Test (Cambridge: Advanced English)