1) Vocabulary is very important for English, i mean vocabulary is very important for every language, without vocabulary language is nothing.
2) If you want to strong your vocabulary you need a copy and a dictionary, firstly take a newspaper and start reading it, if you see any difficult word underline it and continue reading, you will find many words which you underlined,
Write all words which you underlined in your copy or rough register and start finding their meanings from dictionary and make their sentences.
3) Daily 10 words, if you do it sincerely you will strong your vocabulary, now it's depends you, that in how much time you want to strong vocabulary.
4) Make it habit, i am again telling you that without practice nothing will happen keep trying you will success.
5) There are many other ways to strong vocabulary but it's very easy way which is mention above.
Best of Luck
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