Vir

Hi everyone, i got a question regarding to apply for citizenship. i arrived in Australia in 2009 on student visa, in 2013 I applied 457 visa after complete my study and visa was approved in couple of month but due to my employer fault IMMI canceled my employer nomination in 2015 so I can’t apply my ens (permanent residency) after few month they cancel my visa as well because I can’t found new employer And I got bridging visa E, I applied MRT which was not successful then federal but I withdraw federal before hearing and go back to my country then I applied Rsms offsure which was approved in 8 month and I come back may 2017 after 9 month so my question is am I eligible to apply for my citizenship in may 2018 or not or I need to wait again 4 year? Thxs to all