We often want to say why we do something, our goal or reason.
There are several ways to express purpose in English.
Let’s learn and compare them!

1. TO + Base Form

We use to + base verb to show purpose, the reason for an action.

Structure	Example	Meaning
verb + to + base verb	I study hard to pass the exam.	I study for this reason.
verb + to + base verb	She went to the gym to get stronger.	She went there with a goal.

🧠 Tip: Use this for short, direct purposes.

I’m calling to ask a question.
He moved to Canada to find a job.

2. IN ORDER TO + Base Form

We use in order to when we want to sound more formal or emphasize the purpose.
It means the same as to, but it’s a bit stronger.

Structure	Example	Meaning
verb + in order to + base verb	She left early in order to catch the train.	She left early so she could catch it.
verb + in order not to + base verb	He spoke quietly in order not to wake the baby.	He didn’t want to wake the baby.

🧠 Tip: Use in order to in writing or formal speech.

I’m taking this course in order to improve my skills.

3. SO (THAT) + Subject + Modal + Verb

We use so (that) to explain the purpose of an action, especially when there is a different subject.
It’s often followed by can / could / will / would / may / might / should.

Structure	Example	Meaning
so (that) + subject + modal + verb	I’m studying so (that) I can pass my exam.	My goal is to pass.
so (that) + subject + modal + verb	She left early so that she could catch the bus.	She left early to catch it.

🧠 Tip:
You can say so that or just so in informal English.

4. FOR + Gerund (-ing)

We use for + -ing to say the general use or purpose of something.
It answers “What is this used for?”

Structure	Example	Meaning
for + verb-ing	This brush is for painting.	The brush is used to paint.
for + verb-ing	These shoes are for running.	They’re made for that.

🧠 Tip:
Don’t say ❌ for to — just for + -ing.

I use this blog for learning English.

5. FOR + Noun

We also use for + noun to show purpose, especially with things.

Structure	Example	Meaning
for + noun	This medicine is for headaches.	You take it when you have a headache.
for + noun	The bag is for my laptop.	The bag’s purpose is to carry it.

🧠 Tip:
Use for + noun when you’re not using a verb.

This room is for meetings.
These lessons are for students.

🧠 Summary Table

Structure	Use / Meaning	Example
to + base verb	general purpose	She studies to learn English.
in order to + base verb	formal / emphasized purpose	He left early in order to catch the train.
so (that) + subject + modal + verb	purpose with the same or different subject	I’m saving money so that I can travel.
for + verb-ing	the use of an object or activity	This knife is for cutting bread.
for + noun	general purpose of something	This cream is for dry skin.

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Linking Ideas: Because, So, and To

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Let’s Practice!

Practice 1

Practice 2

Speaking

Practice 1