even if you learn from native ensglish speaker, you will say "computher" for "computer", "yany" for "and", "thable" for "table" and so on, the problem is any languages other than our mother tongue, we speak it in our own way, that is in the accent of our mother tongue, for example even filippinos speak french,german, urdu, arabic anything they never use "f", they use "p", very simple in there language there is no fa