Class room expressions
Simple Particles
Grammatical cases
Nominalisation: -기 vs. -ㅁ / -음 vs. -는 것
상징어 : symbolic words
Very common in Korean are 상징어 (sangjingeo), translating to “symbolic words” or “expressive Words”
These words are doubly spoken just like “knock knock” in English :
의성어 (uiseongeo) are memetic words that minic sounds and
의태어 (uitaeeo) are mimetic words, which describe movements, actions, feelings, visual effects, appearances, or states rather than sounds.
More on 의성어 here
More on 의태어 here
Measurement words and counters
In Korea each group of objects has counters. There are counters for flat objects (“sheet), bottles, glasses, weeks, months, pairs of things etc, etc.
Here is a list some of these Measurement words / counters/.
If you can not remember the proper counter, you an use the general counter 개 instead.
The syntax is thing-to-be-counted+number+count.
for example
beer+three+bottles