سلة الغسيل في الغرفة.

In Modern Standard Arabic, the verb to be is usually not expressed in the present tense when you have a simple statement like this.

So Arabic says:

سلة الغسيل في الغرفة

literally something like:

the laundry basket in the room

but the natural English meaning is:

The laundry basket is in the room.

If you wanted the past tense, Arabic would use a verb, for example كانت for was.

Because سلة الغسيل is an iḍāfa construction, often called a construct phrase.

In an iḍāfa:

• the first noun normally does not take الـ
• the second noun determines whether the whole phrase is definite

So:

• سلة الغسيل = the laundry basket
• even though only الغسيل has الـ

This is very normal in Arabic grammar.

It is an iḍāfa: سلة + الغسيل.

Literally, it is:

• سلة = basket
• الغسيل = the laundry / the washing

So the structure is literally basket of the laundry, but in natural English we usually say laundry basket.

Arabic uses iḍāfa very often where English might use:

• of
• apostrophe ’s
• or a noun used like an adjective

It is definite.

In an iḍāfa, the whole phrase becomes definite if the second noun is definite. Since الغسيل has الـ, the full phrase سلة الغسيل is definite.

So this sentence means the laundry basket, not a laundry basket.

If you wanted an indefinite phrase, you would normally make the second noun indefinite too, such as سلةُ غسيلٍ in fully vocalized Arabic.

This is a nominal sentence.

• سلة الغسيل is the subject (mubtadaʾ)
• في الغرفة is the predicate (khabar)

So the structure is:

• subject: the laundry basket
• predicate: in the room

That is a very common Arabic sentence pattern.

Because في is a preposition meaning in, and Arabic prepositions come before the noun they govern, just like English:

• في الغرفة = in the room

Also, after a preposition, the noun is grammatically in the genitive case.

With full vocalization, the sentence would be:

سَلَّةُ الغَسِيلِ فِي الغُرْفَةِ

The endings are:

• سَلَّةُ: nominative, because it is the subject
• الغَسِيلِ: genitive, because it is the second part of the iḍāfa
• الغُرْفَةِ: genitive, because it comes after في

A careful reading would be approximately:

sallatu l-ghasīli fī l-ghurfati

This is a very common learner question.

The final ة (tāʾ marbūṭa) is pronounced differently depending on position.

• At the end of a phrase or when pausing, it usually sounds like -a or -ah
• When followed grammatically by another word in a connected construction, it is pronounced t

So here:

• سلة الغسيل is an iḍāfa, so سلة is pronounced with t: sallat al-ghasīl in pause-less connected reading
• الغرفة is at the end of the sentence, so when pausing it is usually al-ghurfa

In fully inflected formal reading, you would hear the case ending too: الغرفةِ.

The letter غ is pronounced from the back of the throat. There is no exact English equivalent.

English speakers often approximate it as:

• a gargled r
• or something like the French r

Also, in الـ + غ, the l of الـ is still pronounced, because غ is a moon letter, not a sun letter.

So you say:

• al-ghasīl
• al-ghurfa

not with assimilation of the l.

Yes, Arabic can sometimes move parts of the sentence for emphasis.

The basic version here is:

سلة الغسيل في الغرفة

But Arabic could also place the prepositional phrase first in some contexts:

في الغرفة سلة الغسيل

That would give a different emphasis, something like:

In the room is the laundry basket
or
The laundry basket is in the room

The original order is straightforward and neutral for learners.