صديقي يحجز تذكرة الدخول مسبقا.

In Arabic, possession is often shown with a suffix attached to the noun.

• صديق = friend
• صديقي = my friend

The final ـي means my.

So instead of saying a separate word for my, Arabic usually attaches it directly:

• كتابي = my book
• بيتي = my house
• صديقي = my friend

It is pronounced roughly ṣadīqī.

A few pronunciation notes:

• ص is a heavy/emphatic s
• د = d
• ي can represent a long ee sound
• ق is a deep q sound, not an English k
• the final ـي is again ee, meaning my

So the word has two long ee sounds: ṣa-dī-qī.

يحجز is a present-tense verb meaning he reserves / he books.

Its base verb is:

• حجز = to reserve / to book

And يحجز specifically means:

• he reserves
• he is reserving
• sometimes, depending on context, he books

In this sentence, the subject is صديقي (my friend), so يحجز matches that: my friend reserves/books.

Because Arabic verbs already include subject information.

يحجز already tells you the subject is:

• third person
• masculine
• singular

So it already means he reserves/books.

You could add هو for emphasis in some contexts, but normally it is unnecessary:

• يحجز = he reserves
• هو يحجز = he is reserving / he reserves with extra emphasis or contrast

In this sentence, صديقي already names the subject, so no separate he is needed.

Arabic allows more than one common word order.

This sentence uses:

• Subject + Verb + Object
• صديقي يحجز تذكرة الدخول مسبقًا

This is perfectly natural and often used when the speaker wants to start with the subject: My friend...

Arabic can also use Verb + Subject + Object:

• يحجز صديقي تذكرة الدخول مسبقًا

Both are possible. The difference is usually about style, focus, or emphasis rather than basic meaning.

تذكرة الدخول is an iḍāfa construction, often called a genitive/possessive construction.

It works like this:

• تذكرة = ticket
• الدخول = the entry / the admission / entering

Together:

• تذكرة الدخول = the ticket of entry
• more naturally in English: the entrance ticket or the admission ticket

Important iḍāfa rules:

1. The first noun usually does not take ال

   • so: تذكرة
   • not التذكرة here

2. The second noun can be definite

   • here it is الدخول

So تذكرة الدخول is the normal Arabic way to say entry ticket / admission ticket.

الدخول comes from the root meaning to enter.

Here it is a verbal noun / noun meaning:

• entry
• admission
• entering

So in تذكرة الدخول, it means something like:

• ticket for entry
• admission ticket
• entrance ticket

It does not mean that the ticket itself is entering. It describes the type of ticket.

مسبقًا means in advance or beforehand.

In this sentence, it functions as an adverb, telling us when/how the booking happens:

• صديقي يحجز تذكرة الدخول مسبقًا
• My friend books the entry ticket in advance

You will often see it in situations like:

• أرسلته مسبقًا = I sent it beforehand
• يجب التسجيل مسبقًا = Registration must be done in advance

A fully vowelled spelling is usually مسبقًا with tanwīn fatḥ.

The more fully correct vocalized form is مسبقًا.

That final mark, ًا or tanwīn fatḥ, often appears on adverbs and other accusative forms in fully vowelled Arabic.

So:

• مسبقًا = fully vocalized
• مسبقا = very common unvocalized writing

Both refer to the same word in normal everyday text. In learning materials, مسبقًا helps show the grammar more clearly.

Yes, تذكرة is grammatically feminine.

You can often tell because it ends in ة (tāʾ marbūṭa), which commonly marks feminine nouns:

• تذكرة = ticket
• سيارة = car
• مدرسة = school

In this sentence, it matters mostly as the object of the verb, not for verb agreement, because the verb agrees with صديقي (my friend), not with تذكرة.

Yes. The Arabic present tense can cover several English meanings depending on context, including:

• books
• is booking
• sometimes even does book

So صديقي يحجز تذكرة الدخول مسبقًا could mean:

• My friend books the entry ticket in advance
• My friend is booking the entry ticket in advance

Without more context, both are possible. In many textbook translations, the simple present books is used.

Yes. In normal modern Arabic writing, short case endings are usually not written.

A fully vowelled version could look like:

• صديقي يحجزُ تذكرةَ الدخولِ مسبقًا

Very roughly:

• يحجزُ: nominative ending on the present verb
• تذكرةَ: accusative, because it is the direct object
• الدخولِ: genitive, because it is the second part of an iḍāfa
• مسبقًا: accusative adverbial form

But in everyday writing, these endings are usually omitted, and readers understand them from grammar and context.

Yes. Depending on context, good English translations include:

• entry ticket
• entrance ticket
• admission ticket

All of these can work for تذكرة الدخول. The best choice depends on the situation:

• for a museum, concert, or event, admission ticket may sound very natural
• for a place with an entry gate, entry ticket may fit well

So the Arabic phrase is flexible, even if the exact English wording changes.