Неужели ты положила ключи не в сумочку, а в карман куртки?

Неужели adds surprise, disbelief, or “Really?” / “Can it be that...?” to the sentence.

So the sentence is not just a neutral question like Did you put the keys... ? It sounds more like:

• Did you really put the keys not in your purse, but in your jacket pocket?
• You mean you put the keys in your jacket pocket instead of your purse?

It often suggests that the speaker finds this unexpected.

Положила is:

• past tense
• feminine singular
• from the verb положить = to put / to place (perfective)

The ending -а shows that the speaker is talking to a woman, because the subject is ты and the past tense agrees with the gender of the person spoken to:

• ты положил = you put (to a man)
• ты положила = you put (to a woman)

The verb is perfective, so it refers to a completed action: you put / you placed.

Yes, ты could be omitted, because Russian often leaves out subject pronouns when they are clear from the verb form.

So both are possible:

• Неужели ты положила ключи... ?
• Неужели положила ключи... ?

Including ты makes the sentence a bit more explicit and can add emphasis, contrast, or emotional involvement. In a surprised question like this, keeping ты sounds very natural.

Ключи here is the accusative plural, and for this noun it looks the same as the nominative plural.

The verb положить takes a direct object: put what? → ключи (the keys)

Forms of ключ:

• singular nominative: ключ
• plural nominative: ключи
• plural accusative: ключи
• plural genitive: ключей

So in this sentence:

• положила ключи = put the keys

This is a very common Russian contrast pattern:

• не X, а Y = not X, but Y

Here:

• не в сумочку, а в карман куртки
• not in the purse, but in the jacket pocket

This structure corrects or contrasts one idea with another. It often implies:

• not where I expected
• not in one place, but in another

Compare:

• Он живёт не в Москве, а в Петербурге.
• She bought not tea, but coffee.

Because the sentence describes movement toward a destination: put into where?

With в, Russian uses:

• accusative for motion into
• prepositional for location in

So:

Motion / destination

• в сумочку = into the purse
• в карман = into the pocket

Location

• в сумочке = in the purse
• в кармане = in the pocket

Compare:

• Она положила ключи в сумочку. = She put the keys into the purse.
• Ключи лежат в сумочке. = The keys are in the purse.

Сумочку is the accusative singular of сумочка.

Сумочка means small bag, purse, handbag. It is a feminine noun.

Its forms are:

• nominative: сумочка
• accusative: сумочку

Because the sentence involves movement into something after в, the accusative is used:

• в сумочку = into the purse

Also, the word сумочка has a slightly diminutive feel compared with сумка. It can suggest a small handbag/purse, not just any bag.

Both can mean bag, but сумочка is usually:

• smaller
• more personal
• often a woman’s handbag or purse
• sometimes slightly affectionate or diminutive in tone

Сумка is broader and more neutral:

• bag
• handbag
• shopping bag
• general bag

So in this sentence, сумочку suggests something like a purse / handbag, which fits naturally with keys.

Карман куртки means the pocket of the jacket.

This is a common Russian noun-noun structure:

• first noun = the main thing
• second noun in the genitive = what it belongs to

So:

• карман куртки = jacket pocket / the pocket of the jacket
• дверь дома = the door of the house
• крыша машины = the roof of the car

Here:

• карман is nominative/accusative singular
• куртки is genitive singular of куртка

You could say something like в карман в куртке in some contexts, but в карман куртки is the normal, compact way to say into the jacket pocket.

Куртки is the genitive singular of куртка.

The basic form is:

• куртка = jacket

After another noun to show possession or relation, Russian often uses the genitive:

• карман куртки = the pocket of the jacket

So the form changes:

• куртка → куртки

This is similar to:

• ручка двери = the handle of the door
• цвет машины = the color of the car

The sentence is natural as written, but Russian word order is flexible.

Current version:

• Неужели ты положила ключи не в сумочку, а в карман куртки?

This order is good because it presents:

1. surprise (неужели)
2. the person (ты)
3. the action (положила)
4. the object (ключи)
5. the contrast (not into the purse, but into the jacket pocket)

You could change the order for emphasis, for example:

• Неужели ты не в сумочку положила ключи, а в карман куртки?

That puts more focus on the place. But the original is the most straightforward and natural.

Grammatically, it works like a yes/no question, but emotionally it is more than that.

Because of неужели, the speaker is not merely asking for information. The speaker is reacting with surprise or disbelief. So it often feels like:

• Really?
• Are you serious?
• You mean that’s where you put them?

So the expected answer could be:

• Да. = Yes.
• Нет, в сумочку. = No, in the purse.

But the tone strongly suggests that the speaker thinks the action was unexpected.

Usually put is the most natural translation here.

• Ты положила ключи в сумочку. = You put the keys in your purse.

Placed is possible, but it sounds more formal in English. Russian положить is very common and ordinary, so put is usually best.

In this sentence, a natural English version would be:

• Did you really put the keys not in your purse, but in your jacket pocket?
• You mean you put the keys in your jacket pocket instead of your purse?

Yes. This pattern often implies that one location is being corrected and replaced by another.

It can mean:

• not in the purse, but rather in the jacket pocket
• not where I thought, but somewhere else

So the speaker may be reacting to:

• an assumption
• a previous statement
• a search for the keys

For example, someone may have expected the keys to be in the purse, but now realizes they were put in the jacket pocket instead.