البطانية في الدولاب، مش على السرير.

In Egyptian Arabic, the verb to be is usually not said in the present tense.

So:

• البطانية في الدولاب = The blanket is in the wardrobe/closet
• literally, it is more like The blanket in the wardrobe

This is very normal in both Egyptian Arabic and Standard Arabic.
If you wanted past or future, then a form of to be can appear.

مش is the common Egyptian Arabic way to say not.

In this sentence:

• مش على السرير = not on the bed

It is negating the second location phrase. The full idea is:

• The blanket is in the wardrobe, not on the bed.

In Egyptian Arabic, مش is extremely common in everyday speech.

The first part gives the correct location:

• البطانية في الدولاب = The blanket is in the wardrobe

The second part gives a contrast:

• مش على السرير = not on the bed

Arabic often leaves out repeated material when it is already understood. So instead of saying the full thing again, like:

• البطانية في الدولاب، البطانية مش على السرير

you just say:

• البطانية في الدولاب، مش على السرير

That sounds natural and efficient.

البطانية means the blanket.

Yes, it is treated as a feminine noun. One clue is the ending ـة / ـية sound pattern here, which is common in feminine nouns.

That matters when you use adjectives or pronouns with it. For example, if you later referred to the blanket with it, you would use feminine agreement in Arabic.

In Egyptian Arabic, الدولاب usually means something like:

• wardrobe
• closet
• cabinet

The exact English translation depends on context.

So in this sentence, في الدولاب most naturally means:

• in the wardrobe
• or in the closet/cabinet

A learner should know that دولاب is a very common everyday Egyptian word.

Because the meanings are different:

• في = in / inside
• على = on / on top of

So:

• في الدولاب = in the wardrobe
• على السرير = on the bed

These are the natural prepositions for those locations.

الـ is the Arabic definite article, meaning the.

So:

• البطانية = the blanket
• الدولاب = the wardrobe / the closet
• السرير = the bed

This sentence is talking about specific, known things, so definite nouns are used.

If you removed الـ, the meaning would become more like a blanket, a bed, etc., depending on context.

A helpful pronunciation guide is:

il-battaaniyya fi d-dolaab, mish ʿala s-sariir

A few notes:

• البطانية begins with a normal l sound in il-
• الدولاب begins with a sun letter (د), so the l of الـ is not pronounced separately; it sounds like d-dolaab
• السرير also begins with a sun letter (س), so it sounds like s-sariir
• مش is commonly pronounced mish or mesh, depending on speaker and transcription style

In Arabic, some letters cause the ل in الـ to assimilate. These are called sun letters.

In your sentence:

• الدولاب starts with د
• السرير starts with س

Both د and س are sun letters, so:

• الدولاب is pronounced ed-dolab / id-dolaab / d-dolaab in connected speech
• السرير is pronounced es-sariir / s-sariir

But البطانية starts with ب, which is a moon letter, so the l is pronounced normally:

• el-battaaniyya / il-battaaniyya

This affects pronunciation, not spelling.

Yes. This is a very normal word order.

Arabic often starts with the thing being talked about, then gives information about it:

• البطانية = the topic
• في الدولاب = where it is
• مش على السرير = contrast: where it is not

So the structure is basically:

• [thing] + [location] + [contrast]

That is very natural in Egyptian Arabic.

Yes. That would mean:

• The blanket is not on the bed.

That sentence is fine if you only want to deny the bed location.

But your full sentence does more than that: it gives the correct location first, then contrasts it:

• البطانية في الدولاب، مش على السرير.
• The blanket is in the wardrobe, not on the bed.

So the version with both parts is more informative.

It is mostly understandable to Arabic speakers generally, but مش is the clear Egyptian colloquial feature here.

In Standard Arabic, you would not normally use مش. You might say something like:

• البطانية في الخزانة، ليست على السرير

But in everyday Egyptian speech, your sentence is natural and common:

• البطانية في الدولاب، مش على السرير.

So this is best understood as Egyptian Arabic.

Yes. In normal speech, you would usually just make a short pause:

• البطانية في الدولاب... مش على السرير

The comma in writing simply shows that pause and the contrast.
In conversation, intonation does a lot of the work.