wǒ de péngyou yǐjīng jiéhūn le.

It breaks down like this:

• 我的朋友 = my friend
• 已经 = already
• 结婚 = get married / marry
• 了 = a particle showing a new state or completed change

So the structure is:

subject + adverb + verb phrase + sentence particle

In other words:

我的朋友 + 已经 + 结婚 + 了

Mandarin does not mark tense the way English does, so the sentence can be understood from context as something like My friend has already gotten married or My friend is already married.

的 is the common possessive marker in Mandarin. It links 我 (I / me) to 朋友 (friend) and makes it mean my friend.

So:

• 我 = I / me
• 我的 = my
• 我的朋友 = my friend

A good way to think of 的 here is as the word that turns a noun or pronoun into a modifier.

Yes. 朋友 by itself does not have to show singular or plural.

So 我的朋友 can mean:

• my friend
• my friends

Context usually makes it clear.

If you really want to emphasize plural, you can say 我的朋友们, but Mandarin often leaves number unmarked when it is already obvious.

已经 is an adverb, and adverbs in Mandarin usually come before the verb or verb phrase they modify.

So:

• 已经结婚 = already got married / already married

This is very normal Mandarin word order.

A simple pattern is:

subject + adverb + verb

For example:

• 我已经吃饭了 = I already ate / I’ve already eaten
• 他已经到了 = He already arrived / He has already arrived

They are related, but they do not do exactly the same job.

• 已经 explicitly means already
• 了 shows that a new situation has come about or that something has been completed and is now relevant

So in this sentence:

• 已经 tells you the action happened earlier than expected or before some reference point
• 了 tells you the result/state now holds

Together, they sound very natural in Mandarin.

So 已经 + verb + 了 is a very common pattern.

It is not just repeating the same idea twice; each word adds something slightly different.

In this sentence, 了 is best understood as a clause-final or sentence-final 了 that marks a change of state or a new situation.

The important idea is:

the friend is now in the state of being married

That is why 结婚了 can feel like:

• got married
• is now married

depending on context.

Learners often first meet 了 as a past-tense marker, but that is too simple. 了 does not just mean past. Here it mainly helps show that the marriage has happened and the result is now true.

Because 结婚 is a verb, not a noun phrase that needs 是.

In English, we say My friend is married, so English uses is. But Mandarin does not always work that way.

Here, Mandarin says something more like:

My friend already married le

That sounds strange in English, but it is normal in Chinese.

You use 是 mainly when linking one noun to another, such as:

• 我的朋友是老师 = My friend is a teacher

But with 结婚, you do not need 是.

Usually, 结婚 literally refers to getting married, but in real sentences it often implies the resulting state too.

So 已经结婚了 can be understood as:

• has already gotten married
• is already married

The exact English wording depends on context.

This is very common in Mandarin: one form can cover both the action and the resulting state more easily than English does.

You may hear that in casual speech, especially in some spoken styles, but for a learner, 我的朋友 is the safer and more standard choice.

So:

• 我的朋友已经结婚了 = standard and clear
• 我朋友已经结婚了 = more colloquial, but not the best default for beginners

In careful Mandarin, keeping 的 here is a good habit.

You might see sentences where 已经 appears without 了, but in this sentence, leaving out 了 usually sounds less natural.

已经 ... 了 is a very common pairing.

So:

• 我的朋友已经结婚了 = natural
• 我的朋友已经结婚 = possible in some contexts, but it sounds less complete by itself

A learner should generally keep 了 here.

Because the second syllable in 朋友 is usually pronounced with a neutral tone.

So it is:

• péng = second tone
• you = neutral tone

That is why the pinyin is written péngyou, not péngyǒu.

This is very common in Mandarin: some second syllables become light and unstressed in everyday pronunciation.