Sort into columns

When Does ㄷ Change to ㄹ?

Tap each tile, then tap its column. Use the ending and meaning specified in each prompt.

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Question 1

Sort these dictionary forms by what happens to their final ㄷ when you add -아요 or -어요.

Question 2

Each tile is an ending to attach to 듣다. Sort it by whether the stem keeps ㄷ or changes it to ㄹ.

Question 3

These phrases use 묻다. Sort them by its polite -어요 form: asking a question or putting something under the ground.

Question 4

Each tile gives a verb phrase and an ending in parentheses. Sort it by the rule needed to combine them. Here 걷다 means to walk.

Practice When Does ㄷ Change to ㄹ? with this interactive word-sorting exercise of 4 questions. Tap each word into the column it belongs in, then submit to check your answers and get detailed feedback on every set.

Practicing grammar in real sentences — rather than memorising rules in isolation — is one of the most effective ways to make a structure stick. You can retry as many times as you like to build accuracy and confidence using When Does ㄷ Change to ㄹ? in everyday Korean.

Looking for more practice? See all exercises for this lesson.