There's a wide range of methods regarding language acquisition, particularly I don't think that there's a good or bad method, however, any method should follow the natural process.
Many students give up at the beginning of their learning journey, thinking they are not able to keep on studying because grammar is presented and taught at the beginning of the process.
In the natural process of language acquisition, grammar never comes first, do you know why? It's because the role of grammar is only polishing and improving the acquired language.
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