The Two Turkish Past Tenses: -dı Versus -mış
Turkish does something English does not: it makes you say how you know about the past. There are two past tenses, and choosing between them is not a matter of style. One says 'I was there, I saw it'; the other says 'I heard it, I inferred it, I only just found out'. Picking the wrong one does not merely sound odd, it tells your listener something untrue about your source.
This guide covers both. We will build the witnessed past marked by -dı, including the -tı forms that appear after voiceless consonants, then the reported or evidential past marked by -mış, then the meaning difference that decides which to use. Negation and question forms come last, because both tenses handle questions differently and that contrast is worth seeing side by side.
Two Pasts, Two Jobs
The witnessed past, often called the definite past, is the workhorse. Use it for anything you personally saw, did, or know as established fact: what you ate, where you went, what happened in recorded history. Its marker is -dı, with the usual four-way harmony giving -dı, -di, -du or -dü.
The reported past, often called the evidential or inferential past, is marked by -mış, again in four shapes: -mış, -miş, -muş, -müş. Use it when your information is second-hand, when you are drawing a conclusion from evidence in front of you, or when you are telling a story that neither you nor your listener witnessed. Turkish fairy tales open in this tense for exactly that reason.
Building the Witnessed Past: -dı and -tı
Take the verb stem, add the harmonised -dı marker, then the personal ending. Gelmek gives the stem gel-, which becomes geldi; yazmak gives yaz- and yazdı; görmek gives gör- and gördü; okumak gives oku- and okudu. Four vowels, one rule, no surprises.
The one extra step is the consonant. If the stem ends in one of the voiceless consonants ç, f, h, k, p, s, ş or t, the d of the suffix hardens to t. Yapmak gives yaptı, içmek gives içti, konuşmak gives konuştu, seçmek gives seçti. Gitmek gives gitti, where the stem's own t and the suffix's t sit side by side. This is the same assimilation rule that turns the locative -da into -ta, so you are not learning a new principle, only applying an old one to verbs.
Personal Endings on the Witnessed Past
The witnessed past takes a compact set of person endings that attach straight to the tense marker: -m for ben, -n for sen, nothing for o, -k for biz, -nız for siz, and -lar for onlar. The vowel in the siz ending harmonises, so it appears as -nız, -niz, -nuz or -nüz.
Run gelmek through the six persons and the shape of the tense becomes obvious: geldim, geldin, geldi, geldik, geldiniz, geldiler. Then do the same with a back-vowel verb: yazdım, yazdın, yazdı, yazdık, yazdınız, yazdılar. Notice that these endings are shorter than the ones used with the present continuous; that difference matters when we get to questions.
Building the Reported Past: -mış
The -mış marker has no hardened variant. It begins with m, which is voiced and never assimilates, so there is nothing to adjust beyond the vowel: gelmiş, yazmış, görmüş, okumuş. That makes it slightly simpler to form than the witnessed past.
Its person endings, however, are the longer set you already know from the present continuous: -ım, -sın, nothing, -ız, -sınız, -lar, each harmonising with the vowel of -mış. So gelmek gives gelmişim, gelmişsin, gelmiş, gelmişiz, gelmişsiniz, gelmişler. The doubled s in gelmişsin is real and is pronounced; do not let it look like a typo.
First-person -mış deserves a special note, because at first glance 'I did something without witnessing it' sounds impossible. In practice it expresses sudden realisation or lack of awareness at the time. Uyumuşum means 'I must have fallen asleep' — you did not notice yourself doing it. Anahtarı kaybetmişim means 'I have gone and lost the key', discovered just now.
Choosing Between Them
Ask yourself one question: was I a witness? If yes, use -dı. If your knowledge came from someone else's report, from evidence you are looking at now, or from a story handed down, use -mış. The tense is not about how long ago something happened; both refer to the same past, and both can describe this morning or a century ago.
This is why -mış turns up constantly in gossip, news relayed second-hand, and polite distancing. Saying Yorulmuşsun ('you look tired', literally 'you have got tired, evidently') is a natural observation, whereas Yoruldun would claim you watched it happen. Both tenses also work with the verb 'to be': Öğrenciydim means 'I was a student' and Öğretmenmiş means 'apparently he is a teacher'.
Making Both Tenses Negative
Negation works identically in both tenses and sits in the same slot: a -me or -ma element goes between the stem and the tense marker, choosing its vowel by two-way harmony. Gel- becomes gelme-, yaz- becomes yazma-, then the tense and person endings follow as normal.
One useful side effect: because -me and -ma end in a vowel, the tense marker after them is always the soft -dı form, never -tı. Gitmek is gitti in the affirmative but gitmedi in the negative, since the suffix now follows a voiced vowel rather than a voiceless t. The reported past is unaffected, as -mış never hardened in the first place: gelmemiş, yazmamış, gitmemiş.
Asking Questions in the Past
Here the two tenses part company, and the difference is worth learning as a pair rather than separately. With the witnessed past, the person ending stays welded to the verb and the question particle follows the whole thing as a separate word: Geldin mi? means 'Did you come?' and Kitabı okudunuz mu? means 'Did you read the book?'. The particle harmonises with the last vowel of the verb.
With the reported past, the person ending jumps onto the particle instead: Gelmiş misin? means 'You came, did you?'. Compare Geldin mi? with Gelmiş misin? and the pattern is clear. Negative questions combine the two mechanisms without any further change: Gelmedin mi? means 'Didn't you come?'. The particle itself has enough quirks to deserve its own guide, but for the past tense these two shapes cover almost everything you will need.
Frequently asked questions
Why does Turkish have two past tenses?
Because Turkish grammatically marks how you know something. The -dı past says you witnessed the event or treat it as established fact; the -mış past says you heard it, inferred it from evidence, or are relating a story. English conveys this with extra words like 'apparently', if at all.
When is the past marker -tı instead of -dı?
When the verb stem ends in a voiceless consonant: ç, f, h, k, p, s, ş or t. So yap- gives yaptı and iç- gives içti, while gel- gives geldi. The vowel is chosen separately by four-way harmony, so both decisions apply at once.
Can I use -mış about myself?
Yes, and it is common. It expresses something you did without noticing or have only just discovered. Uyumuşum means 'I must have fallen asleep' and Anahtarı kaybetmişim means 'I have gone and lost the key', realised at this moment.
How do I ask a past-tense question?
With the witnessed past, keep the person ending on the verb and add the particle afterwards: Geldin mi? With the reported past, the person ending moves onto the particle: Gelmiş misin? The particle harmonises as mı, mi, mu or mü.
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