Kimse beni suçlamadı.

A useful breakdown is:

• kimse = no one / nobody / anyone, depending on context
• beni = me as a direct object
• suçlamadı = did not accuse / blame

Grammatically:

• kimse is the subject
• beni is the object
• suçlamadı is the verb

So the structure is very typical Turkish: subject + object + verb.

Because kimse is being used in a negative sentence.

In Turkish, words like kimse often appear with negation and are understood as no one / nobody. In questions or some other contexts, it can be closer to anyone.

So in:

• Kimse beni suçlamadı

the negative verb suçlamadı makes kimse mean no one.

A good way to think of it is:

• kimse
  • negative verb = no one

Because beni is the accusative form of ben.

• ben = I
• beni = me

Here, me is the direct object of the verb accuse, so Turkish uses the object form.

With personal pronouns, Turkish has special accusative forms:

• ben → beni
• sen → seni
• o → onu
• biz → bizi
• siz → sizi
• onlar → onları

So beni is required here because the action is being done to me.

It can be divided into parts:

• suçla- = accuse, blame
• -ma- = negative
• -dı = past tense

So:

• suçla-ma-dı = did not accuse

This is one of the most important patterns in Turkish:

• verb stem
• negative suffix
• tense
• person, if needed

In the 3rd person singular, there is often no extra personal ending after the tense marker, so suçlamadı already means he/she/it did not accuse or, in this sentence, no one did not accuse → more naturally no one accused.

Because Turkish normally negates main verbs with a suffix, not with a separate word.

English:

• did not accuse

Turkish:

• suçlamadı

The negative suffix is usually:

• -ma
• -me

Which one appears depends on vowel harmony.

So instead of adding a separate word like not, Turkish usually inserts negation directly into the verb.

Because kimse is grammatically singular.

Even though kimse refers to the idea of people in general, it behaves like no one / nobody, which is singular in Turkish grammar. So the verb is in 3rd person singular:

• suçlamadı

not a plural form.

This is similar to English, where we also say:

• No one was
• not No one were

This is the neutral Turkish word order:

• subject + object + verb

So:

• Kimse = subject
• beni = object
• suçlamadı = verb

That said, Turkish word order is flexible. You can move things around for emphasis.

For example:

• Beni kimse suçlamadı puts more focus on me
• Kimse suçlamadı beni is possible in speech, but less neutral

The most standard, textbook-like version is:

• Kimse beni suçlamadı

No. Kimse by itself is completely correct here.

You can also say:

• Hiç kimse beni suçlamadı

This means almost the same thing, but hiç adds emphasis, something like:

• absolutely no one
• not a single person

So:

• Kimse beni suçlamadı = normal, natural
• Hiç kimse beni suçlamadı = stronger or more emphatic

Because of vowel harmony.

The negative suffix has two main forms:

• -ma
• -me

The previous vowel in suçla- is a, so the negative becomes -ma.

Then the past tense suffix follows vowel harmony too:

• -dı / -di / -du / -dü
• or -tı / -ti / -tu / -tü after voiceless consonants

Since the negative suffix here is -ma, the past tense becomes -dı.

So:

• suçla
  • ma
    • dı → suçlamadı

The dictionary form is suçlamak, meaning to accuse or to blame.

Turkish dictionaries usually list verbs in the infinitive form ending in:

• -mak
• -mek

So:

• suçlamak = to accuse
• suçlamadı = did not accuse

You can think of suçla- as the working stem, and -mak as the infinitive ending.

A rough English-friendly guide is:

• suçlamadı ≈ sooch-lah-mah-duh
• kimse ≈ keem-seh

A few important Turkish sounds here:

• ç sounds like ch
• ş sounds like sh
• ı is the undotted i, a sound English does not have exactly; it is somewhat like a relaxed uh sound, but farther back in the mouth

So the last syllable of suçlamadı is not a clear English dee sound. It is closer to duh, but with the Turkish ı sound.

Not with the same meaning.

• Beni suçlamadı means He/She did not accuse me
• Kimse beni suçlamadı means No one accused me

Turkish often drops subject pronouns when they are understood from the verb, but here kimse is not just a pronoun like he or she. It adds essential meaning: it tells you that the subject is no one.

So if you remove kimse, the sentence changes meaning completely.