المؤلف بيوقع المخطوطة.

A common Egyptian Arabic pronunciation is:

el-moʔallef beywaʔʔaʕ el-makhṭūṭa

A few notes:

• المؤلف = el-moʔallef
• بيوقع = beywaʔʔaʕ
• المخطوطة = el-makhṭūṭa

The letter ق is often pronounced as a glottal stop ʔ in Egyptian Arabic, so يوقع is not usually pronounced with a hard q sound in everyday speech.

In Egyptian Arabic, بـ on a present-tense verb usually marks the normal present tense.

So بيوقع means something like:

• he signs
• he is signing

depending on context.

This بـ is very common in Egyptian Arabic and is one of the things that makes it different from Modern Standard Arabic.

It can mean either one.

In Egyptian Arabic, the simple present with بـ often covers both:

• a habitual action: he signs
• an action happening now: he is signing

Context tells you which meaning is intended.

If you want to make right now extra clear, you can add a word like دلوقتي:

المؤلف بيوقع المخطوطة دلوقتي
= The author is signing the manuscript right now.

Because Arabic does not need a separate present-tense is before another verb.

In English, you say:

• The author is signing

In Egyptian Arabic, the verb itself already carries the present meaning:

• بيوقع

So there is no extra word equivalent to English is here.

Yes, they are related, but they are not the same verb form.

• وقع can mean to fall or to happen
• وقّع means to sign

In this sentence, the verb is the doubled form وقّع. In normal everyday writing, short vowels and the shadda are often not written, so you see بيوقع, but the intended reading is بيوَقّع / beywaʔʔaʕ.

So this is sign, not fall or happen.

Because both nouns are definite:

• المؤلف = the author
• المخطوطة = the manuscript

Arabic uses الـ to mean the.

If you removed it, the meaning would become indefinite:

• مؤلف = an author
• مخطوطة = a manuscript

So the sentence as written refers to specific, known things.

Because subject–verb–object order is very common in Egyptian Arabic.

So:

المؤلف بيوقع المخطوطة
literally follows:

the author + signs/is signing + the manuscript

This word order feels natural in everyday spoken Egyptian Arabic.

You may also see verb-first word order in other kinds of Arabic, especially in more formal or written styles, but subject first is extremely common in Egyptian speech.

Not always.

المؤلف can also mean composer, depending on context.

But in this sentence, because the object is المخطوطة (the manuscript), the meaning is clearly author, not composer.

So context is what tells you which English word fits best.

Because it is a grammatically feminine noun.

The ending ـة is a very common sign of feminine nouns in Arabic, and مخطوطة is one of them.

This does not mean the manuscript is biologically female, of course. It is just grammatical gender.

If you later describe it with an adjective, that adjective would normally be feminine too.

In Egyptian Arabic, you would usually negate the verb with ما ... ش:

المؤلف ما بيوقعش المخطوطة

This pattern is very common in Egyptian:

• بيوقع = he signs / he is signing
• ما بيوقعش = he does not sign / he is not signing

So the negative wraps around the verb:

• ما before the verb
• ش after it