B1 Conjunctions & Connectors 1 min read ふつう

Conjunction 'Da' for Purpose Clauses (Kako bi...)

Grammar Rule in 30 Seconds

Use 'da' + present tense to explain the goal or purpose of an action, similar to 'so that' in English.

  • Use 'da' followed by the present tense of a perfective verb: 'Idem u grad da kupim kruh.'
  • The subject can be the same or different in both clauses without changing the structure.
  • For negative purpose ('so that... not'), use 'da ne' + present tense: 'Trčim da ne zakasnim.'
Action + da + Present Tense (Goal) 🎯

Structure of a Purpose Clause

Main Clause (Action) Conjunction Subject (Optional) Present Tense Verb (Goal)
Idem u grad
da
(ja)
kupim kruh
Oni uče
da
(oni)
polože ispit
Pomažem ti
da
(ti)
završiš brže
Zatvori vrata
da ne
(netko)
uđe
Kupili smo auto
da
(mi)
putujemo
Šutimo
da
(beba)
spava

Meanings

The conjunction 'da' introduces a subordinate clause that expresses the purpose, intention, or goal of the action described in the main clause.

1

Direct Purpose (Same Subject)

When the person performing the main action is the same person achieving the goal.

“Štedim novac da kupim novi mobitel.”

“Vježbam svaki dan da budem zdrav.”

2

Intended Result (Different Subject)

When the main action is done so that someone else can do something or something else can happen.

“Dajem ti ključ da možeš ući u stan.”

“Govorim polako da me razumiješ.”

3

Negative Purpose (Prevention)

To express an action done specifically to prevent an unwanted outcome ('lest' or 'so that... not').

“Ponesi kišobran da ne pokisneš.”

“Šapćemo da ne probudimo bebu.”

Reference Table

Reference table for Conjunction 'Da' for Purpose Clauses (Kako bi...)
Type Structure Example
Affirmative
Action + da + Present
Radim da zaradim.
Negative
Action + da ne + Present
Trčim da ne zakasnim.
Same Subject
Subj A + da + Subj A (Present)
Učim da znam.
Different Subject
Subj A + da + Subj B (Present)
Učim te da znaš.
Past Action
Past Tense + da + Present
Došao sam da vidim.
Future Action
Future Tense + da + Present
Doći ću da pomognem.
Question
Zašto...? + Action + da...?
Zašto ideš tamo? Da vidim Anu.

フォーマル度スペクトル

フォーマル
Zovem kako bih zatražio informacije.

Zovem kako bih zatražio informacije. (Customer service / Phone call)

ニュートラル
Zovem da pitam za informacije.

Zovem da pitam za informacije. (Customer service / Phone call)

カジュアル
Zovem da pitam nešto.

Zovem da pitam nešto. (Customer service / Phone call)

スラング
Zovem samo da vidim što ima.

Zovem samo da vidim što ima. (Customer service / Phone call)

The Purpose Connection

DA (Purpose)

Action (Side A)

  • Kupujem kartu I buy a ticket

Goal (Side B)

  • Putujem I travel

Da vs. Kako bi

Da (Neutral/Informal)
Idem da jedem. I'm going to eat.
Kako bi (Formal)
Idem kako bih jeo. I am going in order to eat.

レベル別の例文

1

Idem u školu da učim.

I am going to school to study.

2

Pijem kavu da se probudim.

I am drinking coffee to wake up.

3

Treba mi ključ da otvorim vrata.

I need a key to open the door.

4

Idem u krevet da spavam.

I am going to bed to sleep.

1

Kupio sam cvijeće da te razveselim.

I bought flowers to make you happy.

2

Učim svaki dan da položim ispit.

I study every day to pass the exam.

3

Zatvori prozor da ne bude hladno.

Close the window so it's not cold.

4

Idemo u restoran da proslavimo rođendan.

We are going to a restaurant to celebrate a birthday.

1

Štedim novac već mjesecima da kupim novi auto.

I've been saving money for months to buy a new car.

2

Govorim polako da me svi mogu razumjeti.

I am speaking slowly so that everyone can understand me.

3

Ostavio sam ti poruku da znaš gdje smo.

I left you a note so you know where we are.

4

Vježbam jogu da smanjim stres na poslu.

I practice yoga to reduce stress at work.

1

Vlada je uvela nove mjere da potakne gospodarstvo.

The government introduced new measures to stimulate the economy.

2

Organizirali smo sastanak da bismo raspravili o problemu, ali koristimo 'da' za bržu komunikaciju.

We organized a meeting to discuss the problem (using 'da' for speed).

3

Pišem ovaj dnevnik da ne zaboravim ove dragocjene trenutke.

I am writing this diary so I don't forget these precious moments.

4

Oni su se sakrili da ih nitko ne pronađe.

They hid so that no one would find them.

1

Autor koristi metafore da produbi značenje teksta.

The author uses metaphors to deepen the meaning of the text.

2

Poduzeo je drastične korake da osigura opstanak tvrtke.

He took drastic steps to ensure the company's survival.

3

Govornik je povisio ton da naglasi važnost situacije.

The speaker raised his voice to emphasize the importance of the situation.

4

Sustav je dizajniran tako da automatski ispravlja pogreške.

The system is designed in such a way that it automatically corrects errors.

1

Cijela je strategija osmišljena da se preduhitre potezi konkurencije.

The entire strategy was designed to forestall the moves of the competition.

2

Njegova je žrtva bila potrebna da bi se očuvao mir, no narod kaže 'da se očuva'.

His sacrifice was necessary to preserve peace.

3

Uložio je prigovor da se ukaže na proceduralne nepravilnosti.

He filed an objection to point out procedural irregularities.

4

Pjesnik rabi arhaizme da dočara duh prošlih vremena.

The poet uses archaisms to evoke the spirit of past times.

間違えやすい

Conjunction 'Da' for Purpose Clauses (Kako bi...) Da (Purpose) vs. Da (Object Clause)

Both use 'da' but serve different functions. One explains 'why', the other explains 'what'.

Conjunction 'Da' for Purpose Clauses (Kako bi...) Da vs. Kako bi

Learners often don't know which one to pick in a conversation.

よくある間違い

Idem u grad kupiti kruh.

Idem u grad da kupim kruh.

While the infinitive is sometimes used, 'da + present' is much more common and natural for purpose.

Pijem vodu da ne žedan.

Pijem vodu da ne budem žedan.

You must include a verb (usually 'biti') in the present tense after 'da'.

Došao sam da sam pomogao.

Došao sam da pomognem.

Even if the main verb is in the past, the purpose is expressed in the present tense.

Učim da bih znao.

Učim da znam.

Mixing 'da' with the conditional 'bih' is a hybrid error. Use 'da + present' or 'kako bi + conditional'.

Radim to da kupujem auto.

Radim to da kupim auto.

Using the imperfective 'kupujem' implies you are in the process of buying, whereas purpose usually targets the completed act 'kupim'.

文型パターン

Idem u ___ da ___.

Štedim novac da ___.

Pomažem mu da ___.

Zatvorio sam vrata da ne ___.

Real World Usage

Texting a friend constant

Dolazim da ti pomognem!

Job Interview occasional

Ovdje sam da naučim nove vještine.

Ordering Food common

Možete li dodati limun da bude svježije?

Travel / Directions very common

Kuda moram ići da dođem do trga?

Social Media Caption common

Malo vježbanja da se osjećam bolje. 💪

Doctor's Visit occasional

Pijem ove tablete da mi prođe bol.

🎯

Use Perfective Verbs

Since purpose usually implies a completed goal, use the perfective aspect (e.g., 'kupim' instead of 'kupujem').
⚠️

Don't overthink the tense

Even if you are talking about yesterday, the verb after 'da' usually stays in the present tense.
💡

The 'Why' Test

If you can ask 'Zašto?' (Why?), the answer will almost always start with 'Da...'
💬

Soften your requests

Adding a purpose clause to a request makes it sound more polite. Instead of 'Daj mi ključ', say 'Daj mi ključ da uđem'.

Smart Tips

Stop! Don't use the infinitive. Use 'da' + the present tense of the person doing the action.

Idem u dućan kupiti kruh. Idem u dućan da kupim kruh.

Always use 'da ne' together. It's the standard way to say 'so that... not'.

Trčim da neću zakasniti. Trčim da ne zakasnim.

Don't panic. The structure 'da + present' stays exactly the same even if a new person enters the sentence.

Dajem ti novac za tebe kupiti sok. Dajem ti novac da kupiš sok.

Swap 'da' for 'kako bi' and use the conditional (bih, bi, bismo...).

Pišem da Vas pitam... Pišem kako bih Vas pitao...

発音

/da.kǔ.pim/

Unstressed 'da'

The word 'da' is a proclitic, meaning it has no accent of its own and is pronounced quickly with the following word.

Rising-Falling

Idem u grad (rise) da kupim kruh (fall).

The first part sets the scene, the second part provides the resolution/purpose.

暗記しよう

記憶術

DA stands for 'Direct Aim'. Use it to point your action directly at your goal.

視覚的連想

Imagine a bow and arrow. The bow is your action (Main Clause), the arrow is the word 'da', and the target is your goal (Present Tense).

Rhyme

Kad želiš reći 'zašto' i 'cilj', 'da' i prezent su tvoj stil!

Story

Marko wanted to buy a boat. He worked all summer (Action) DA (The Bridge) he buys the boat (Goal). He didn't say 'to buy', he said 'that he buys'!

Word Web

dakako biciljnamjerasvrharazlogprezent

チャレンジ

Look around the room. Pick three objects and say why you have them using 'da'. (e.g., 'Imam olovku da pišem.')

文化メモ

Croatians value directness in daily speech. Using 'da' instead of 'kako bi' makes you sound like a local rather than a textbook.

In some coastal dialects, you might hear 'da' replaced by 'za' + infinitive in very informal settings, though this is non-standard.

In professional emails, 'kako bi' is strictly preferred to show respect and professionalism.

The conjunction 'da' is common to all Slavic languages, originating from Proto-Slavic *da.

会話のきっかけ

Zašto učiš hrvatski?

Što radiš da ostaneš u formi?

Što bi trebali napraviti da poboljšamo ovaj grad?

Zašto ljudi koriste društvene mreže?

日記のテーマ

Write about your goals for this year. Why are you doing what you are doing?
Describe a typical morning routine and explain the purpose of each action.
Imagine you are a politician. Write a short speech about what you will do to help the people.

よくある間違い

Incorrect

正解


Incorrect

正解


Incorrect

正解


Incorrect

正解

Test Yourself

Choose the correct form to complete the sentence. 選択問題

Idem u kuhinju ___ kavu.

✓ Correct! ✗ Not quite. Correct answer: da napravim
We use 'da' + present tense for purpose.
Fill in the blank with 'da' or 'da ne'.

Zatvori prozor ___ uđu komarci.

✓ Correct! ✗ Not quite. Correct answer: da ne
The goal is to prevent mosquitoes from entering, so we use negative purpose.
Find the mistake in the sentence. Error Correction

Find and fix the mistake:

Učim hrvatski da bih mogao pričati s ljudima.

✓ Correct! ✗ Not quite. Correct answer: da bih mogao
While 'da bih mogao' is common, in standard B1 'da + present' (da mogu) is the focus, or 'kako bih mogao'. Mixing 'da' and 'bih' is often considered a hybrid.
Combine these two sentences using 'da': 'Štedim novac.' + 'Kupim novi stan.' Sentence Building

Combine: Štedim novac. Kupim novi stan.

✓ Correct! ✗ Not quite. Correct answer: Štedim novac da kupim novi stan.
The conjunction 'da' connects the action to the goal.
Match the action with its purpose. Match Pairs

Match each item on the left with its pair on the right:

✓ Correct! ✗ Not quite. Correct answer: 1-A, 2-C, 3-B
Each action corresponds to a logical goal.
Complete the dialogue. Dialogue Completion

A: Zašto nosiš taj teški ruksak? B: Nosim ga ___.

✓ Correct! ✗ Not quite. Correct answer: da imam sve stvari
Purpose is expressed with 'da' + present.
Is this rule true or false? True False Rule

In Croatian, you must change the tense after 'da' if the main verb is in the past.

✓ Correct! ✗ Not quite. Correct answer: False
The present tense is typically used after 'da' regardless of the main verb's tense.
Change the formal 'kako bi' to the neutral 'da'. Sentence Transformation

Vježbam kako bih bio zdrav.

✓ Correct! ✗ Not quite. Correct answer: Vježbam da budem zdrav.
'Kako bih bio' (conditional) becomes 'da budem' (present).

Score: /8

練習問題

8 exercises
Choose the correct form to complete the sentence. 選択問題

Idem u kuhinju ___ kavu.

✓ Correct! ✗ Not quite. Correct answer: da napravim
We use 'da' + present tense for purpose.
Fill in the blank with 'da' or 'da ne'.

Zatvori prozor ___ uđu komarci.

✓ Correct! ✗ Not quite. Correct answer: da ne
The goal is to prevent mosquitoes from entering, so we use negative purpose.
Find the mistake in the sentence. Error Correction

Find and fix the mistake:

Učim hrvatski da bih mogao pričati s ljudima.

✓ Correct! ✗ Not quite. Correct answer: da bih mogao
While 'da bih mogao' is common, in standard B1 'da + present' (da mogu) is the focus, or 'kako bih mogao'. Mixing 'da' and 'bih' is often considered a hybrid.
Combine these two sentences using 'da': 'Štedim novac.' + 'Kupim novi stan.' Sentence Building

Combine: Štedim novac. Kupim novi stan.

✓ Correct! ✗ Not quite. Correct answer: Štedim novac da kupim novi stan.
The conjunction 'da' connects the action to the goal.
Match the action with its purpose. Match Pairs

1. Upalio sam svjetlo, 2. Pijem vodu, 3. Trčim

✓ Correct! ✗ Not quite. Correct answer: 1-A, 2-C, 3-B
Each action corresponds to a logical goal.
Complete the dialogue. Dialogue Completion

A: Zašto nosiš taj teški ruksak? B: Nosim ga ___.

✓ Correct! ✗ Not quite. Correct answer: da imam sve stvari
Purpose is expressed with 'da' + present.
Is this rule true or false? True False Rule

In Croatian, you must change the tense after 'da' if the main verb is in the past.

✓ Correct! ✗ Not quite. Correct answer: False
The present tense is typically used after 'da' regardless of the main verb's tense.
Change the formal 'kako bi' to the neutral 'da'. Sentence Transformation

Vježbam kako bih bio zdrav.

✓ Correct! ✗ Not quite. Correct answer: Vježbam da budem zdrav.
'Kako bih bio' (conditional) becomes 'da budem' (present).

Score: /8

よくある質問 (8)

Sometimes, but it's risky. After verbs of motion (like 'go'), you can sometimes use the infinitive, but `da + present` is always correct and sounds more natural in modern Croatian.

It's mostly about formality. `Da` is for everyday speech; `kako bi` is for formal writing and speeches.

Because the 'purpose' is seen as a goal that was 'present' in the mind of the speaker at the time of the action. `Došao sam da vidim` = I came with the goal: 'I see'.

No, `da` is a very busy word! it also means 'yes', 'that' (I think that...), and is used in commands (Da si odmah došao!). Context is key.

Yes, but it's less common. Use them if the purpose is a continuous action (e.g., `Učim da bih znao` - I study so that I [continuously] know).

Use `da nitko ne` + present tense. Example: `Šapćemo da nas nitko ne čuje` (We whisper so that no one hears us).

In some dialects (like in parts of Dalmatia), people might use the infinitive more often or different particles, but `da` is understood and used everywhere.

Try to explain every action you do today. 'Otvaram prozor da uđe zrak.' 'Kuham kavu da se probudim.'

Scaffolded Practice

1

1

2

2

3

3

4

4

Mastery Progress

Needs Practice

Improving

Strong

Mastered

In Other Languages

English moderate

to / in order to / so that

Croatian avoids the infinitive for purpose.

German moderate

um...zu / damit

No need to choose between two different conjunctions based on the subject.

Spanish high

para / para que

Croatian uses the present tense where Spanish requires the subjunctive mood.

French high

pour / pour que

Croatian uses one structure ('da') for both scenarios.

Japanese low

tame ni / you ni

Word order is completely reversed.

Chinese low

wèile / yǐbiàn

Croatian requires a specific conjunction ('da') and verb conjugation.

Learning Path

Prerequisites

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