يتعاون الفريق ويكتشف الدليل.

• يتعاون = he cooperates / it cooperates
• الفريق = the team
• و = and
• يكتشف = he discovers / it discovers
• الدليل = the clue or the evidence, depending on context

So the sentence structure is literally something like:

cooperates the team and discovers the clue

but in natural English:

The team cooperates and discovers the clue.

Because this is a very common Arabic sentence pattern: a verbal sentence.

In Modern Standard Arabic, it is normal to begin a sentence with a verb:

• يتعاون الفريق = The team cooperates

This is different from English, which usually prefers subject + verb.

Arabic also allows:

• الفريق يتعاون ويكتشف الدليل

That version is also correct, but it has a slightly different feel because it begins with the subject. Starting with the verb is very standard and natural.

Both are in the imperfect form.

In Arabic, the imperfect can express:

• the present: cooperates / discovers
• a habitual action: usually cooperates / usually discovers
• sometimes the future, depending on context

So here, without extra context, the most natural reading is present tense:

• يتعاون = cooperates / is cooperating
• يكتشف = discovers / is discovering

The prefix يـ is a common marker of the third person masculine singular in the imperfect.

So:

• يتعاون = he cooperates / it cooperates
• يكتشف = he discovers / it discovers

Here, the subject is الفريق (the team), which is grammatically singular masculine, so these verb forms match it.

يتعاون comes from تعاون, which means to cooperate.

This verb has a reciprocal idea built into it: people cooperate with one another. That is why it often describes a group acting together.

Its root is related to ع و ن, which has to do with help/support.

A useful point:

• يتعاون الفريق = The team cooperates
• يتعاون الفريق مع الشرطة = The team cooperates with the police

So if no partner is mentioned, the sentence can still be complete.

Because Arabic, like English, often omits a repeated subject when it stays the same.

So:

• يتعاون الفريق ويكتشف الدليل

means:

• The team cooperates and discovers the clue

The subject الفريق is understood to apply to both verbs.

If you repeated it, it would still be grammatical, but less smooth:

• يتعاون الفريق ويكتشف الفريق الدليل

That sounds more repetitive, just like in English.

Grammatically, الفريق is singular.

It means the team, which is a collective noun: one group made up of multiple people.

That is why the verb is singular:

• يتعاون الفريق
• not a plural verb form

This is similar to English the team, although English sometimes switches between singular and plural depending on dialect and style. In Arabic, الفريق here is treated as singular.

Because د is a sun letter.

The Arabic definite article is written الـ, but when it comes before a sun letter, the l sound is assimilated into the next consonant.

So:

• written: الدليل
• pronounced: ad-dalīl

The spelling does not change, but the pronunciation does.

This happens with words like:

• الشمس → ash-shams
• الرجل → ar-rajul
• الدليل → ad-dalīl

In this sentence, the most natural understanding is:

• [The team] discovers the clue

So الدليل is the direct object of يكتشف.

Why?

1. The subject الفريق has already been introduced.
2. After و, the second verb usually continues with the same subject unless something clearly changes it.
3. Semantically, the team discovers the clue makes good sense.

In fully vocalized Arabic, the case ending would make this even clearer:

• يَتَعَاوَنُ الْفَرِيقُ وَيَكْتَشِفُ الدَّلِيلَ

Here:

• الفريقُ = nominative subject
• الدليلَ = accusative object

In normal unvoweled writing, Arabic often leaves these endings unwritten, so context helps.

A fully vocalized version would be:

يَتَعَاوَنُ الْفَرِيقُ وَيَكْتَشِفُ الدَّلِيلَ

Breakdown:

• يَتَعَاوَنُ = verb in the imperfect, ending in ـُ
• الْفَرِيقُ = subject, so nominative ـُ
• وَيَكْتَشِفُ = second imperfect verb
• الدَّلِيلَ = direct object, so accusative ـَ

In everyday Arabic texts, these short vowels and case endings are usually omitted.

Yes.

الدليل has a range of meanings depending on context, including:

• clue
• evidence
• proof
• sometimes even guide

So the exact English translation depends on the situation.

For example:

• in a detective story, الدليل may be the clue
• in an argument or legal context, it may be the evidence or proof

Yes, absolutely.

Both are correct:

• يتعاون الفريق ويكتشف الدليل
• الفريق يتعاون ويكتشف الدليل

The difference is mainly in sentence style:

• يتعاون الفريق... = begins as a verbal sentence, very common in Arabic
• الفريق يتعاون... = begins with the subject, which can sound slightly more topic-focused, like As for the team, it cooperates...

So the original sentence is perfectly natural, but your alternative is grammatical too.