Grammar
Can You Drop Particles in Spoken Korean?
Native speakers drop them constantly, and copying that early costs you more than it saves. A particle is what tells the listener which role a word is playing. Drop it before the rest of your sentence is solid and you are removing the part that was holding it together.
This is one of the places where imitating fluent speech makes a learner harder to follow rather than more natural.
What actually happens in speech
In fast, casual Korean the object and subject markers often disappear, especially when the sentence is short and the roles are obvious.
저는 커피를 마셔요.
jeo-neun keo-pi-reul ma-syeo-yo.
I drink coffee.
커피 마셔요.
keo-pi ma-syeo-yo.
Drinking coffee. / I drink coffee.
Both are Korean. The second is faster and it works because there is nothing else the coffee could be doing in that sentence.
Why that is riskier for you than for them
A native speaker drops the particle and the sentence still parses, because everything else about it, the verb, the rhythm, the context, is doing its job. When a learner drops it, the particle is often the only thing that was.
It is also the difference between a sentence that sounds casual and one that sounds like a word list. The listener has to work out what you meant, and that is the cost you do not hear.
What holds, and what does not
- 에서 and 로 hold. They carry where something happens and how you got there, and nothing else in the sentence supplies that. 집에서 일해요, 지하철로 가요.
- 에 is the exception, and it goes constantly. In front of 가다, 오다 and 살다 it disappears in ordinary speech: 학교 가요 rather than 학교에 가요. Learn it with the 에 and expect to hear it without.
- Anything in a longer sentence. The more pieces there are, the more work the particles are doing. Dropping is a short-sentence habit.
- Contrast. 은/는 in its contrastive use is the whole point of the sentence, so it cannot go.
- Anything you are not sure about. If you have to think about whether it can go, keep it.
Some are not dropped, they are built in
Worth separating, because it looks like the same thing and is not.
잘 지냈어?
jal jji-nae-sseo?
How have you been?
There is no missing 네가 here. Korean simply does not put the obvious subject in, which is the default rather than an abbreviation. Leaving out a whole word and dropping a marker are different moves, and only the second one is what this page is about.
When it is your turn to drop them
There is no level at which permission arrives. The signal is practical: when you can produce the full form without thinking about it, dropping becomes a choice rather than a gap.
Until then the full form is buying you something. It keeps you understandable while the rest is still slow, and it keeps the habit correct so that when you do drop one, you know which one you dropped.
The expressions that are already short
Some spoken sentences are short in the mouth of every Korean speaker, and they are not learners cutting corners. Learn those as whole expressions from the start.
화장실 있어요? / 여기 앉아도 돼요?
hwa-jang-sil i-sseo-yo? / yeo-gi an-ja-do dwae-yo?
Is there a bathroom? / Can I sit here?
The thing to avoid is reading these as permission to drop particles elsewhere. They are fixed expressions you learn whole, not a rule you apply to a sentence you are building.
The short version
Yes, they drop, and you should keep them longer than the people around you do. Keep the full form while a pattern is still new, learn the set expressions that are already short as whole units, leave 에서 and 로 alone entirely, and let the dropping arrive on its own when the sentence underneath is strong enough to stand without it.
Check your sentence-building basics
The free test has you arrange Korean sentences on screen. It checks structure, not whether a dropped particle sounds natural to somebody listening. Nothing to sign up for.
Take the level test →