The best way to learn a language is to immerse yourself in it so that you hear it everyday, even if you’re not actually sitting down to learn it
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What your teacher told is correct. However, I would add another factor that I consider quite important: motivation.

If you have motivation, materials (or people) and time, you might learn languages in short time.

I’d start off by reinforcing your grammar, especially for English, as it’s so complicated! At the same time, try reading books in English and watching movies (with subtitles in your own language) that you’re familiar with in your own language already. I’m learning French and Italian, and I find that doing this has improved my language skills already, however little I’ve done! Another thing to consider is going to the UK or America. Chances are, no one will speak your language (unfortunately, English speakers tend to be like this because English is spoken worldwide and we have little need for foreign languages, on the whole.), so you’ll be forced to use English.

Your teacher is correct. Immersion in the language and culture is the best way. It is also important to know the culture of the people who speak the language. I have found my learning of Japanese has been greatly aided by reading about Japanese culture, reading manga, and watching Japanese film/anime.

How to Learn a Foreign Language
Learn a Foreign Language
1) Spend the time!

By far the most important factor is how much time you are immersed in the language. The more time you spend with the language, the faster you will learn. This means listening, reading, writing, speaking, and studying words and phrases. This does not mean sitting in class looking out the window, nor listening to other students who do not speak well, nor getting explanations in your own language about how the language works. This means spending time enjoyably connected to the language you are learning.

2) Listen and read every day!

Listen wherever you are on your MP3 player. Read what you are listening to. Listen to and read things that you like, things that you can mostly understand, or even partly understand. If you keep listening and reading you will get used to the language. One hour of listening or reading is more effective than many hours of class time.

3) Focus on words and phrases!

Build up your vocabulary, you’ll need lots. Start to notice words and how they come together as phrases. Learn these words and phrases through your listening and reading. Read online, using online dictionaries, and make your own vocabulary lists for review. Soon you will run into your new words and phrases elsewhere. Gradually you will be able to use them. Do not worry about how accurately you speak until you have accumulated a plenty of words through listening and reading.

4) Take responsibility for your own learning!

If you do not want to learn the language, you won’t. If you do want to learn the language, take control. Choose content of interest, that you want to listen to and read. Seek out the words and phrases that you need to understand your listening and reading. Do not wait for someone else to show you the language, nor to tell you what to do. Discover the language by yourself, like a child growing up. Talk when you feel like it. Write when you feel like it. A teacher cannot teach you to become fluent, but you can learn to become fluent if you want to.

5) Relax and enjoy yourself!

Do not worry about what you cannot remember, or cannot yet understand, or cannot yet say. It does not matter. You are learning and improving. The language will gradually become clearer in your brain, but this will happen on a schedule that you cannot control. So sit back and enjoy. Just make sure you spend enough time with the language. That is the greatest guarantee of success.

Best Way To Learn A Foreign Language

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keep practicing and associate with people that speak English

Yeah that depends on where do u live and what available schools near yr area, but if u really want to do so, date someone that knows English very well, or Marry someone, thats the best way if u cant travel to UK or US.

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your teacher is correct. You have to learn the language, then speak it everyday with someone who is fluent.

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