Use ki to introduce what you know, show a result, or give an utterance extra force. Fixed expressions containing it express different relationships, not one general meaning of “that”.
The idea
In Biliyorum ki sen bu işi başaracaksın, the clause after ki has its own finite verb. With öyle … ki, it states the result of an intense situation. Mademki presents an accepted fact as a reason; oysaki introduces a contrast; sanki presents an impression or comparison. İyi ki expresses relief or satisfaction, while demek ki introduces an inference. Sentence-final ki can add emphasis: the last example questions the need to rush. Write the conjunction separately and without vowel harmony; mademki, oysaki and sanki are fixed single words.
Examples
- Biliyorum ki sen bu işi başaracaksın.I know that you will succeed at this task.
- Mademki bugün boşsun, birlikte yemek yapalım.Since you are free today, let’s cook together.
- İyi ki yedek anahtarı yanıma almışım.Good thing I brought the spare key with me.
- Öyle yoruldum ki koltukta uyuyakaldım.I got so tired that I fell asleep in the armchair.
- Demek ki toplantı yarına kalmış.So the meeting has been put off until tomorrow.
- Oysaki ben sana dün haber vermiştim.But I had already told you yesterday.
- Sanki bu sokaktan daha önce geçtik.It feels as if we have been down this street before.
- Bu kadar aceleye ne gerek var ki?What need is there for such a rush, anyway?
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Watch out
Do not attach ki merely because it follows a verb: write biliyorum ki. The attached -ki in evdeki has a different job. Nor does every familiar expression become one word: iyi ki and demek ki stay separate. These spellings do not make the expressions interchangeable.
Try it yourself
Choose ki or sanki: I was so hungry that I had two bowls of soup.
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ki
ki: the two bowls show how strong the hunger was. Sanki would introduce a comparison, not complete this result construction.
Choose mademki or oysaki: being free today is the reason for the suggestion.
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Mademki
Mademki: the listener’s free time is already accepted and supports the suggestion to cook together. Oysaki would require a contrast.
Choose iyi ki or demek ki: the door has shut, but you have a spare key. Express relief.
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İyi ki
İyi ki: having the key is fortunate now that the door is shut. The speaker is relieved about an earlier action, not just drawing a conclusion.
Choose demek ki or sanki: the calendar shows tomorrow. Draw a conclusion about the meeting.
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Demek ki
Demek ki: the calendar supplies evidence for a changed meeting date. The sentence infers the postponement; it does not say whether the speaker welcomes it.
Practice round
Answer questions, then rebuild Turkish sentences and words where available. We keep your score.
Choose ki or sanki: I was so hungry that I had two bowls of soup.
Choose mademki or oysaki: being free today is the reason for the suggestion.
Choose iyi ki or demek ki: the door has shut, but you have a spare key. Express relief.
Choose demek ki or sanki: the calendar shows tomorrow. Draw a conclusion about the meeting.
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
Keep your progress
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Write a suggestion based on a known fact with mademki, a relieved reaction with iyi ki, and an inference with demek ki. Then describe a strong feeling and its result with öyle … ki.