Akşamüstü parkta biraz yürüyüp sonra eve döneceğim.

Akşamüstü means in the late afternoon / toward evening / early evening depending on context. It refers to the part of the day when afternoon is moving toward evening.

In this sentence, it works like a time adverb: Akşamüstü ... döneceğim = I’ll ... in the late afternoon / toward evening.

Because Turkish uses the locative suffix -da / -de / -ta / -te to mean in / at / on, and the form changes according to sound harmony and consonant voicing.

• park
  • -ta → parkta = in the park / at the park

After a voiceless consonant like k, the suffix becomes -ta instead of -da.

So:

• evde = at home
• okulda = at school
• parkta = in the park

Biraz means a little, a bit, or sometimes for a while depending on context.

In this sentence, biraz yürüyüp suggests:

• walk a little
• walk for a bit
• take a short walk

It softens the action and makes it sound like a small or limited amount of walking, not a long walk.

Yürüyüp is a converb form made with -ip / -ıp / -up / -üp. This form links actions and often means something like:

• and
• and then
• after doing

So:

• yürüyüp sonra eve döneceğim
  = I’ll walk a bit and then return home

The base verb is yürümek = to walk.
Here it becomes yürüyüp to connect it to the next verb.

This structure is very common in Turkish when the same subject does both actions.

The y is a buffer consonant.

The verb stem here is yürü-. When Turkish adds a vowel-starting ending or connective to some stems, a buffer consonant may appear to make pronunciation smoother.

So:

• yürü-
  • -üp → yürüyüp

This is a normal pattern in Turkish and helps avoid awkward vowel combinations.

Good question. Yürüyüp already suggests one action followed by another, so sonra is not absolutely necessary for basic grammar.

But sonra adds extra clarity and emphasis to the sequence:

• yürüyüp eve döneceğim = I’ll walk and return home
• yürüyüp sonra eve döneceğim = I’ll walk, and then after that I’ll return home

So sonra makes the order feel more explicit: first walking, then returning home.

Because eve means to home / homeward, while evde means at home.

The verb dönmek usually takes the dative case when you say where someone is returning to.

• ev = house / home
• eve = to home
• evde = at home

So:

• eve dönmek = to return home
• evde dönmek would not mean the same thing and would sound wrong here

This is one of the most important Turkish case distinctions:

• -e / -a = direction, destination
• -de / -da = location

Döneceğim is the 1st person singular future tense form of dönmek = to return / to turn.

It breaks down like this:

• dön- = verb stem
• -ecek / -acak = future tense
• -im / -ım / -üm / -um = I

So:

• dön- + ecek + im → döneceğim
• meaning: I will return

Because of Turkish sound changes, this is written as döneceğim, not a mechanically separated form.

Because Turkish often drops the subject pronoun when it is already clear from the verb ending.

The ending -ceğim in döneceğim already tells you the subject is I.

So:

• Ben akşamüstü parkta biraz yürüyüp sonra eve döneceğim = fully explicit
• Akşamüstü parkta biraz yürüyüp sonra eve döneceğim = natural and common

Both are grammatical, but leaving out ben is very normal unless you want emphasis.

No, Turkish word order is fairly flexible, although some orders sound more natural than others.

The given sentence is very natural:

• Akşamüstü parkta biraz yürüyüp sonra eve döneceğim.

But Turkish can move parts around for emphasis:

• Parkta biraz yürüyüp akşamüstü sonra eve döneceğim
• Biraz parkta yürüyüp sonra eve döneceğim

These may be grammatical, but they can sound less natural depending on context.

A good general rule:

• Time often comes early
• Place often comes before the verb
• The main finite verb often comes at the end

So the original sentence follows a very common Turkish pattern.

It can mean both, depending on context.

• dönmek = to turn
• dönmek = to return / come back

In this sentence, because of eve (to home), the meaning is clearly return home.

Examples:

• Sağa dön. = Turn right.
• Eve dön. = Return home.

So the destination eve tells you which meaning is intended here.

Yes. With the -ip / -ıp / -up / -üp structure, the normal assumption is that the same subject does both actions.

So here, the speaker is saying that they will:

1. walk a bit in the park
2. then return home

If the subjects were different, Turkish would usually need a different structure to make that clear.

A more literal breakdown would be:

• Akşamüstü = in the late afternoon / toward evening
• parkta = in the park
• biraz = a bit / for a while
• yürüyüp = walking and / after walking
• sonra = then
• eve = home / to home
• döneceğim = I will return

So a fairly literal English version would be:

In the late afternoon, I’ll walk a bit in the park and then return home.

That is more natural English than a word-for-word translation, but it still shows the Turkish structure pretty closely.