Ways of Giving Reasons in English: Because, Since, As, Due to, and More

Learning different ways of giving reasons in English can make your speaking and writing much clearer, more natural, and more varied.

In English, we often need to explain why something happens. We do this when we speak, write emails, tell stories, give opinions, and answer exam questions. If you always use because, your English may sound repetitive. The good news is that English gives us many other ways to express reasons, causes, and purpose.

In this lesson, you will learn how to use common expressions such as because, because of, due to, thanks to, since, as, and more advanced structures like with the aim of and with a view to. You will also see when these expressions are used, how formal they are, and how to use them correctly in sentences.

By the end of the lesson, you will be able to give reasons more clearly, more naturally, and with far greater variety.

Let’s begin.

1. Because / Because of

We use because and because of to give a reason.

Because is followed by a clause (subject + verb).

Because of is followed by a noun, pronoun, or -ing form.

• I got up early because I couldn’t sleep.
• I got up early because of the noise.
• I got up early because of not being able to sleep.

Both expressions can also come at the beginning of a sentence:

• Because I couldn’t sleep, I got up early.
• Because of the bad weather, the flight was delayed.

Use because when you want to explain something directly and clearly. Use because of when the reason is a noun phrase rather than a full clause.

2. The reason (for this) is

This expression is useful when you want to explain a reason in a more formal or deliberate way. It is especially common in writing.

• The police arrested two men last night. The reason for this is a bank robbery.
• The reason I’m writing is to apply for a position at your company.
• The reason for the delay was heavy traffic.

This structure is helpful in formal writing, reports, and exam tasks when you want to sound more precise.

3. Since / As

We can use since and as to introduce a reason. They are similar to because, but they often sound a little more formal or are used when the reason is already known or less important than the main result.

• Since it was raining, we stayed indoors.
• As she wasn’t feeling well, she decided not to come.
• Since you’re here, you may as well help me.
• As the shop was closed, we went home.

Do not confuse since meaning because with since meaning from a point in time until now.

Compare:

• Since it was late, we left.
• I have lived here since 2010.

4. Due to / Owing to

Due to and owing to are more formal expressions meaning because of. They are common in formal writing, news reports, and academic English.

• The plane was delayed due to bad weather.
• The event was cancelled owing to a lack of interest.
• Several roads were closed due to flooding.
• The match was postponed owing to safety concerns.

In everyday conversation, people often prefer because of. In formal writing, due to and owing to are excellent choices.

5. Thanks to

Thanks to introduces a reason or cause with a positive result. It usually suggests that something good happened because of someone or something.

• Thanks to your advice, I passed the exam.
• The project was a success thanks to everyone’s hard work.
• We arrived on time thanks to the early train.

Sometimes people use thanks to ironically for a negative result, especially in spoken English:

• Thanks to the traffic, we missed the start of the concert.

In most cases, use thanks to for positive outcomes.

6. Given that / Seeing that

These expressions introduce a reason that is obvious, known, or already accepted. They are useful in more formal speech and writing.

• Given that he’s only ten years old, he plays the piano remarkably well.
• Seeing that you’re not busy, could you help me for a moment?
• Given that prices are rising, many families are spending less.
• Seeing that everyone has arrived, we can begin.

Given that is usually more formal than seeing that.

7. Why

We often use why after words like reason, explanation, or understand when talking about the cause of something.

• Michael never found out why his wife left him.
• Scientists are still trying to explain why sleep is so important.
• I don’t understand why she was so upset.
• That’s the reason why he resigned.

We do not usually use why on its own as a linker like because. It is more often used in clauses after verbs and nouns.

8. For … reasons

We use for in expressions such as for health reasons, for safety reasons, or for personal reasons to explain why something happens or why someone does something.

• Many people stop eating meat for health reasons.
• The building was closed for safety reasons.
• He decided to leave the company for personal reasons.
• She moved abroad for work reasons.

This pattern is very common and useful, especially in formal and semi-formal English.

9. Through

We use through to explain that something happens as a result of a process, method, or cause. It is often used when talking about success, failure, change, or difficulty.

• She became successful through hard work.
• The company lost customers through poor service.
• He learned English through regular practice.
• Many businesses failed through lack of planning.

Through often suggests that something happened by means of something else.

10. As a result of

As a result of is used to show cause in a clear and formal way. It is common in reports, essays, and academic writing.

• As a result of rising inflation, we couldn’t get a bank loan.
• The roads were closed as a result of the storm.
• Several flights were cancelled as a result of technical problems.
• As a result of intensive police work, crime has fallen.

This expression is more formal than because of and is especially useful in essays and exam writing.

11. In order to

We use in order to to express purpose. It explains why someone does something.

• John works two jobs in order to support his family.
• She left early in order not to miss the train.
• He is studying hard in order to pass the exam.
• We saved money in order to buy a new car.

This expression is more formal than to.

Compare:

• She went to the shop to buy some milk.
• She went to the shop in order to buy some milk.

Both are correct, but in order to sounds more deliberate.

12. So that

So that also expresses purpose. It is usually followed by a clause and often includes can, could, will, or would.

• I explained everything clearly so that everyone could understand.
• He works overtime so that he can afford a holiday.
• She spoke slowly so that the children would follow her.
• We left early so that we wouldn’t be late.

Use so that when you want to focus on the result you hope to achieve.

13. With the aim of / With a view to

These are advanced and formal expressions used to express purpose or intention. They are usually followed by a noun or an -ing form.

• She enrolled in the course with the aim of improving her English.
• The company launched a campaign with a view to boosting sales.
• He moved to London with the aim of finding better opportunities.
• They redesigned the website with a view to attracting more visitors.

These phrases are excellent for formal writing, reports, and advanced exam answers.

Common Differences to Remember

Here are a few important points:

Because vs Because of

• Because + clause
• Because of + noun / pronoun / -ing form

Correct:

• We stayed at home because it was raining.
• We stayed at home because of the rain.

Because vs Since / As

• Because is usually the strongest and most direct.
• Since and as often sound softer and more formal.

Because of vs Due to

• Because of is common in everyday English.
• Due to is more formal.

Reason vs Purpose

Some expressions explain why something happened:

• because
• because of
• due to
• thanks to
• as a result of

Other expressions explain why someone does something:

• in order to
• so that
• with the aim of
• with a view to

This is an important distinction, especially in Cambridge exam writing.

Common Mistakes Learners Make

1. Using because of before a clause

Incorrect:

• We stayed inside because of it was raining.

Correct:

• We stayed inside because it was raining.
• We stayed inside because of the rain.

2. Confusing reason and purpose

Incorrect:

• He studied hard because to pass the exam.

Correct:

• He studied hard to pass the exam.
• He studied hard in order to pass the exam.
• He studied hard because he wanted to pass the exam.

3. Overusing because

There is nothing wrong with because, but using it again and again can make your writing repetitive. Try adding more variety with expressions like since, as, due to, and thanks to.

Final Thoughts

Learning different ways of giving reasons in English will make your speaking and writing more flexible, natural, and precise. Some expressions are simple and common, like because and because of, while others are more formal or advanced, such as due to, owing to, with the aim of, and with a view to.

The key is to notice the structure after each expression and the level of formality it carries. Once you start using a wider range of reason expressions, your English will sound much richer and more confident.

So next time you want to explain why something happened — or why someone did something — do not rely on because alone. English has a whole toolbox for that job.

FAQ – ways of giving reasons in English

What are common ways of giving reasons in English?
Common ways of giving reasons in English include because, because of, since, as, due to, owing to, thanks to, and as a result of.

What is the difference between because and because of?
Because is followed by a clause, while because of is followed by a noun, pronoun, or -ing form.

Can I use since and as to give reasons in English?
Yes, since and as can both be used to give reasons. They are often slightly more formal than because.

Is due to formal in English?
Yes, due to is usually more formal than because of and is common in written English.

How do you express purpose in English?
You can express purpose with phrases such as in order to, so that, with the aim of, and with a view to.

Related posts:

Because, As and Since

Linking Words to Show Result

Expressing Purpose in English

Idioms and Expressions to Show Contrast

Words and Phrases for Sequencing Ideas

Time Conjunctions in English

Visit our bookshop for more