How do you use 을 and 를?
Object Marking Particles:
을: Use after noun ending in a consonant.
를: Use after noun ending in a vowel.
사과를 먹었어요?
Did you eat an apple?
Did you eat an apple?
사과를 먹었어요?
사과를 사요?
Are you buying an apple?
Are you buying an Apple?
사과를 사요?
이 사과가 맛있어요.
This apple is delicious.
This apple is delicious.
이 사과가 맛있어요.
사과가 떨어젔어요.
The apple fell.
The apple fell.
사과가 떨어젔어요.
When do I need to use object or subject marking particles?
Use them when you want to clarify the relationship between the object or subject and the verb. This is typically needed for longer sentences, where the object/subject gets further away from the verb.
만났어요
I met
I met
만났어요
만났어요?
Did you meet?
Did you meet?
만났어요?
누구 만났어요?
Who did you meet?
Who did you meet?
누구 만났어요?
어제 여기에서 누구(를) 만났어요?
Who did you meet here yesterday?
Who did you meet here yesterday?
어제 여기에서 누구(를) 만났어요?
어제 여기에서 누구를 만났어요?
WHO did you meet here yesterday?
WHO did you meet here yesterday?
어제 여기에서 누구를 만났어요?
텔레비전 봐요.
I watch TV.
I watch TV.
텔레비전 봐요.
텔레비전 봐요?
Do you watch TV?
Do you watch TV?
텔레비전 봐요?