@annetacafred I'm sorry you are having trouble when to use 이 가 은 는. As far as I know, 이 and 가 are subject markers and 은 and 는 are topic markers. That's it, I mean I can't explain anymore. You could look up(read) the explanations(that helps you) this link : https://www.google.com/search?source=hp&ei=... (I'm sorry to say this is Google)
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