Turkish Conditional -se / -sa: 'if' and 'if only'
How the Turkish conditional and wish suffix -se / -sa works — the two-way vowel harmony that picks -se or -sa, the personal endings, the real 'if' of gelirse and yağıyorsa, and the 'if only' wish of keşke gelse.
Ekle ·
The conditional turns a verb into an 'if' clause or a wish — 'if he comes', 'if only he would' — and its one suffix harmonises two ways with the last vowel of the word it sits on.
What the conditional does
One suffix, -se or -sa, does two jobs. Put it on a tensed verb and it builds a real condition — gelirse is "if he comes". Put it on a bare stem and it voices a wish — keşke gelse is "if only he would come". Which job it does depends on what it attaches to, not on the suffix itself.
Turkish needs no separate word for "if". The meaning rides on the ending glued to the verb, so gelse already says "if he came" on its own. eğer "if" may lead the clause, yet it only announces what the ending is about to say.
Vowel harmony picks the ending
The suffix vowel copies the front or back quality of the stem's last vowel. A front vowel — e, i, ö, ü — takes -se, so gel gives gelse. A back vowel — a, ı, o, u — takes -sa, so ol gives olsa.
| Last vowel | Suffix | Example |
|---|---|---|
| e · i · ö · ü | -se | gelse |
| a · ı · o · u | -sa | olsa |
Only the front/back split counts here; whether the vowel is rounded makes no difference. That is why the suffix has two shapes and not four — -se after a front vowel, -sa after a back one.
The person endings
The conditional suffix takes the ordinary personal endings, so a full word runs stem plus -se plus a person marker: gel with the first-person ending gives gelsem "if I came". The whole set is gelsem, gelsen, gelse, gelsek, gelseniz and gelseler, generated in full as the paradigm.
The same harmony carries through every person. görmek "to see" has a front stem, so its first-person conditional is görsem "if I saw" — the same ending, shaped by the stem it sits on.
| Turkish | Parts | English |
|---|---|---|
| gelsem | gel + se + m | if I came |
| görsem | gör + se + m | if I saw |
Five worked forms
Read each of these as a clause on its own — the "if" or the "if only" is already inside the word.
| Turkish | Parts | English |
|---|---|---|
| gelse | gel + se | if he came; were he to come |
| gelirse | gel + ir + se | if he comes |
| yağıyorsa | yağ + ıyor + sa | if it is raining |
| olsa | ol + sa | if there were; if only there were |
| keşke gelse | keşke gel + se | if only he would come |
Two readings, condition and wish
The same suffix reads two ways depending on its host. On a tensed verb it states a real, open condition: gelirse "if he comes" leaves the outcome genuinely open. On a bare stem, often after keşke, it turns into a wish: keşke gelse "if only he would come" reaches for something that has not happened.
| Turkish | Parts | English |
|---|---|---|
| gelirse | gel + ir + se | if he comes — an open condition |
| keşke gelse | keşke gel + se | if only he would come — a wish |
Real conditions with a tensed verb
For a condition about the real world, add the suffix to an already tensed verb. The aorist gelir "he comes" becomes gelirse "if he comes"; the present continuous yağıyor "it is raining" becomes yağıyorsa "if it is raining". You can front the clause with eğer "if", and the ending still carries the meaning on its own.
A weather clause shows the pattern in the wild: yağmur "rain" plus yağıyorsa gives yağmur yağıyorsa "if it is raining".
| Turkish | Parts | English |
|---|---|---|
| gelirse | gel + ir + se | if he comes |
| yağıyorsa | yağ + ıyor + sa | if it is raining |
Wishes and longing
For a wish, drop the tense and put the suffix straight on the stem, usually led by keşke "if only". keşke gelse is "if only he would come" — a longing, not a plan. The bare stem plus the ending is what gives the sentence its wistful edge.
The same shape voices a situation that is not the case: olsa "if there were" and the everyday bir param olsa "if only I had some money" — where param is "my money" — reach for what is absent.
| Turkish | Parts | English |
|---|---|---|
| keşke gelse | keşke gel + se | if only he would come |
| olsa | ol + sa | if only there were |
Frequently asked questions
- What is the difference between the condition and the wish?
- It depends on what the suffix sits on. On a tensed verb it is a real 'if': gelirse is "if he comes". On a bare stem, usually with keşke, it is a wish: keşke gelse is "if only he would come". The same suffix, two readings set by the host.
- When is it -se and when is it -sa?
- Vowel harmony decides. A front vowel — e, i, ö, ü — takes -se, as in gelse; a back vowel — a, ı, o, u — takes -sa, as in olsa. Only the front/back split counts, so there are just these two shapes.
- Do I need eğer for 'if'?
- No. The ending already means 'if', so gelirse on its own is "if he comes". eğer "if" can open the clause for emphasis or clarity, and it only flags a condition the suffix is already making.
- What does keşke add?
- keşke means "if only" and marks a wish or regret. It pairs with the bare-stem conditional to voice longing: keşke gelse is "if only he would come", and bir param olsa is "if only I had some money".