Common English mistakes Korean speakers make

Korean has no articles, no required plural ending, and syllables that tend to end in a vowel or a single consonant. English asks for more, and some English sounds have no Korean equivalent. Those differences explain most repeated mistakes.

"A / the" and plural "-s" missing

Korean does not use articles, and it does not need a plural ending when the meaning is clear, so "I have dog" or "two apple" feels complete.

Fix: learn each noun with its article ("a dog", "the apple") and add "-s" whenever there is more than one.

F and P, and R and L

Korean has no F, so "coffee" can sound like "copy" and "fan" like "pan". Korean also has one sound between R and L, so "right" and "light" can be hard to separate.

Fix: for F, the top teeth touch the bottom lip and air keeps flowing. For P, the lips close and release. Minimal pair practice with a tutor who corrects you at once works best.

Extra vowels in consonant clusters

English words with several consonants in a row, such as "strike" or "milk", often get an extra vowel in Korean speakers' pronunciation, so they sound longer and heavier than they should.

Fix: say the cluster slowly without a vowel ("str"), then speed up. Shadowing a recording helps.

"Yes" and "no" to negative questions

Asked "Don't you like it?", a Korean speaker may answer "Yes" to mean "Yes, you are right, I don't". In English, "Yes" means "I do like it".

Fix: in English, the answer follows the fact: "No, I don't" or "Yes, I do". Drill a few pairs aloud.

Common questions

Why do these mistakes continue after years of studying English?

Korean grammar and sound patterns are quite different from English, so a rule can be known perfectly and still disappear in fast speech. Repeating out loud and getting immediate correction is what changes the habit.

What should I ask a tutor to focus on?

Ask for correction on articles and plurals in conversation, F and P and R and L minimal pairs, and the answer pattern for negative questions.