A person who reads a lot of books may not get the maximum score on a grammar test, but it is more likely to use grammar in communication and writing. For grammar learners, book translation offers many advantages. When translating, you must understand the writer's intentions and of course have a very good grasp of grammatical structures and its implications.
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For starters, grammar is the first thing to learn. To condense the process of learning English, what is good and successful, I think that is when I can learn by myself. At this point, you have nothing to learn, accumulate enough necessary grammar to help with self-study
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