Det här är också ett bra tillfälle att fråga chefen om avtalet.

Det här means this.

It is used here as a standalone expression, not directly before a noun. Swedish often uses det här or detta to mean this when you are referring to a whole situation, idea, or thing already understood from context.

• Det här är bra. = This is good.
• Det här är ett bra tillfälle... = This is a good opportunity...

Den här is normally used with a common-gender noun:

• den här boken = this book

Det här is used with a neuter noun:

• det här avtalet = this contract

But when no noun follows, det här on its own is very common.

Because tillfälle is a neuter noun in Swedish, so it takes ett, not en.

• ett tillfälle = an opportunity / an occasion
• ett bra tillfälle = a good opportunity

This is something you generally have to learn with each noun in Swedish: whether it is an en-word or an ett-word.

Tillfälle can mean occasion, opportunity, or chance, depending on context.

In this sentence, the most natural meaning is opportunity:

• ett bra tillfälle att fråga... = a good opportunity to ask...

So although a very literal translation might include occasion, the real sense here is that this is a good moment or chance to bring the topic up.

Here att works like English to before an infinitive verb.

• att fråga = to ask
• ett bra tillfälle att fråga = a good opportunity to ask

This is a very common structure in Swedish:

• Det är dags att gå. = It’s time to go.
• Jag har något att säga. = I have something to say.

So att fråga is just the infinitive phrase connected to tillfälle.

Because in Swedish, fråga takes a direct object when you ask a person something.

The pattern is:

• fråga någon om något = ask someone about something

So:

• fråga chefen om avtalet = ask the boss about the contract

English uses ask the boss, not ask to the boss, and Swedish works the same way here.

A useful contrast:

• fråga chefen om avtalet = ask the boss about the contract
• be chefen om hjälp = ask the boss for help

So fråga is about asking a question, while be om is more like requesting something.

Chefen is the definite form, meaning the boss or the manager.

• en chef = a boss / a manager
• chefen = the boss / the manager

In Swedish, the definite article is often added as an ending to the noun instead of being a separate word like the in English.

So:

• fråga chefen = ask the boss

This is the normal word order in a main clause.

In Swedish main clauses, the finite verb usually comes early, and sentence adverbs like också often come after it:

• Det här är också ett bra tillfälle...

This sounds natural and neutral.

A rough pattern is:

• subject + finite verb + adverb

So here:

• Det här = subject
• är = finite verb
• också = adverb (also)

If you move också, the emphasis can change slightly, and some placements sound less neutral.

Om here means about or concerning.

• fråga chefen om avtalet = ask the boss about the contract

And avtalet is the definite form of avtal:

• ett avtal = a contract / an agreement
• avtalet = the contract / the agreement

So om avtalet means about the contract.

Because the sentence is talking about a specific contract that both speaker and listener are expected to know about.

• om avtalet = about the contract
• om ett avtal = about a contract

Using the definite form suggests this is not just any contract, but a particular one already understood from the situation.

Yes, you could say Detta är också ett bra tillfälle att fråga chefen om avtalet, and it would be correct.

But there is a difference in style:

• det här = more common in everyday spoken Swedish
• detta = more formal, written, or slightly more stiff

So in ordinary conversation, det här is usually the more natural choice.

It is a very natural Swedish sentence.

A more word-for-word breakdown is:

• Det här = This
• är också = is also
• ett bra tillfälle = a good opportunity
• att fråga chefen = to ask the boss
• om avtalet = about the contract

So the structure is close to English, but it is still fully idiomatic Swedish. A native speaker would definitely say this.