wǒ zhèngzài diǎngē.

正在 marks an action as in progress right now. It is similar to be doing in English.

So:

• 我正在点歌。 = I am selecting/requesting a song right now.

A useful comparison:

• 我点歌。 = I select/request songs / I select a song / I’m selecting a song.
  
  • This is more neutral and depends on context.
• 我正在点歌。 = I am in the middle of selecting/requesting a song right now.

Chinese usually follows Subject + Time/Aspect Marker + Verb + Object.

In this sentence:

• 我 = subject, I
• 正在 = progressive marker, in the middle of
• 点歌 = verb-object phrase, select/request a song

So the structure is:

• 我
  • 正在
    • 点歌
• I
  • am
    • selecting/requesting a song

This is very normal Chinese word order.

It is made of two characters, but it functions as a common verb-object expression:

• 点 = to choose, order, select, request
• 歌 = song

Together, 点歌 means to choose/request a song, often in contexts like:

• karaoke
• a music app
• a live stream
• requesting a song on radio

So although it is written with two characters, you should learn 点歌 as a set expression.

It usually means to pick or request a song to be played or sung.

Common situations:

• At KTV / karaoke: choosing the next song
• On a music platform: selecting a song
• In a live stream or radio setting: requesting a song

So 我正在点歌。 often suggests:

• I’m choosing a song right now
• I’m requesting a song right now

The exact English wording depends on the situation.

Yes. 我在点歌 is very natural.

Comparison:

• 我在点歌。 = I’m selecting/requesting a song.
• 我正在点歌。 = I’m right in the middle of selecting/requesting a song.

正在 can sound a bit more explicit or slightly more formal about the action being in progress.
In everyday speech, 在 is often enough.

You may also hear:

• 我正点歌呢。
• 我正在点歌呢。

The 呢 adds a conversational feel and emphasizes the ongoing action.

Chinese does not use a word like English am/is/are for progressive actions.

In English, you say:

• I am choosing a song.

In Chinese, ongoing action is shown by markers like:

• 在
• 正在
• sometimes 呢

So Chinese expresses progressive aspect differently from English.
You do not need a separate verb meaning am here.

Because 是 is usually not used before an action verb phrase like this.

• 是 is mainly used to link one noun to another, like:
  • 我是学生。 = I am a student.

But 点歌 is an action, not a noun phrase.
So for actions in progress, Chinese uses 在 / 正在, not 是.

Correct:

• 我正在点歌。
• 我在点歌。

Incorrect in normal Chinese:

• 我是正在点歌。

Yes, absolutely.

• 现在 = now
• 正在 = in the middle of doing

So:

• 我现在正在点歌。 = I am selecting/requesting a song right now.

However, 现在 and 正在 overlap in meaning a little, since both suggest what is happening now. Because of that, native speakers often just say:

• 我正在点歌。
• 我在点歌。

Adding 现在 is fine when you want to stress right now.

They do different jobs:

• 现在 = now → a time word
• 正在 = be in the middle of doing → an aspect marker

Compare:

• 我现在点歌。
  This can mean I’m selecting a song now, but it is less explicit about the ongoing action.
• 我正在点歌。
  This clearly means I am in the middle of selecting a song.
• 我现在正在点歌。
  This emphasizes both now and in progress.

So 现在 tells you when, while 正在 tells you the action is ongoing.

Usually, not in this exact form.

• 正在 already marks an action as ongoing
• 了 often marks completion, change of situation, or a new state

Because of that, 正在 and sentence-final 了 often do not naturally go together in a simple sentence like this:

• less natural: 我正在点歌了。

Normally you would say:

• 我正在点歌。
• 我在点歌。

If you want to express that you started doing it, you might say something else depending on context, such as:

• 我开始点歌了。 = I’ve started choosing songs.
• 我点好歌了。 = I’ve finished choosing the song(s).

The pinyin is:

• 正在 = zhèngzài
• 点歌 = diǎngē

Tone breakdown:

• 我 = wǒ → 3rd tone
• 正 = zhèng → 4th tone
• 在 = zài → 4th tone
• 点 = diǎn → 3rd tone
• 歌 = gē → 1st tone

A few pronunciation tips:

• zh in zhèng is not like plain English j. It is a retroflex sound, with the tongue curled slightly back.
• diǎn has the ian sound, roughly like dyen but not exactly.
• gē has a high, level first tone.

A natural rhythm is:

• wǒ | zhèngzài | diǎngē

Yes, if the subject is already clear from context.

For example, in conversation:

• A: 你在做什么？ = What are you doing?
• B: 正在点歌。 = Selecting/requesting a song.

Chinese often drops subjects when they are obvious.
But when you are learning, it is very helpful to keep 我 in the sentence:

• 我正在点歌。

It is neutral and perfectly natural.

• 我正在点歌。 sounds clear and standard.
• In casual conversation, people may prefer:
  • 我在点歌。
  • 我点歌呢。
  • 我正在点歌呢。

So the sentence is not stiff or unnatural—it is just a straightforward standard way to say it.

Usually 歌 is already the object of 点, so 点歌 is complete by itself.

You can, however, make it more specific:

• 我正在点这首歌。 = I’m selecting/requesting this song.
• 我正在点一首歌。 = I’m selecting/requesting a song.
• 我正在点你喜欢的歌。 = I’m selecting/requesting a song you like.

You can also specify a place or situation:

• 我正在KTV点歌。 = I’m choosing songs at karaoke.
• 我正在给你点歌。 = I’m requesting a song for you.

So 点歌 is complete, but you can still expand the sentence if needed.