Because / But / So

Many parents and teachers ask: How can I help children write deeper reading responses without overwhelming them?

One simple answer is the Because / But / So strategy.

This structured sentence approach strengthens reading comprehension, helps students organise their thinking, and improves paragraph writing in Years 3 and above.

It’s simple, powerful, and easy to implement at home or in the classroom.

What Is the Because / But / So Strategy?

The Because / But / So strategy is a sentence framework that helps children:

• Explain their reasoning
• Identify cause and effect
• Recognise contrast or conflict
• Strengthen written responses

Instead of giving short answers, students extend their thinking using one of three conjunctions:

• Because – explains why
• But – shows contrast
• So – shows consequence

This small structural shift significantly improves reading comprehension responses.

Because / But / So Example from Matilda

Let’s look at a practical example from Matilda by Roald Dahl.

Base sentence:

Mr Wormwood’s hair changed colour.

Now extend it using the strategy:

• Mr Wormwood’s hair changed colour because Matilda put peroxide into his hair oil.
• Mr Wormwood’s hair changed colour, but he didn’t know how it had happened.
• Mr Wormwood’s hair changed colour, so he demanded an appointment at the hairdresser's immediately.

Notice how each version deepens comprehension in a different way.

• Because requires reasoning.
• But introduces conflict or tension.
• So highlights consequence.

This is how students move beyond retelling and begin analysing cause and effect.

Why Because / But / So Improves Reading Comprehension

Strong reading comprehension requires more than recalling events.

Students need to:

• Understand character motivation
• Recognise cause and effect
• Track consequences
• Identify conflict
• Use evidence from the text

The Because / But / So strategy directly supports these skills.

It strengthens logical thinking and encourages evidence-based responses.

How to Explain Because / But / So to a Child

For children, keep it simple:

• Because tells us why.
• But shows something different or surprising.
• So tells us what happened next.

You might say:

“Tell me what happened in the chapter using because.”

Or:

“Explain the problem using but.”

This keeps the strategy practical and manageable.

How Teachers Can Use Because / But / So in the Classroom

This strategy works during:

• Whole-class novel studies
• Guided reading
• Literature circles
• Writing lessons
• Literacy rotations

It can be used as:

• A quick warm-up activity
• An exit ticket
• A comprehension scaffold
• The first sentence of a paragraph

In upper primary, it naturally extends into structured paragraph writing.

Use Because / But / So With Any Book

Here are some general sentence starters you could use with any book:

• The character wanted to ___ because ___ / but ___ / so ___.
• The character learned ___ because ___ / but ___ / so ___.
• The character struggled to ___ because ___ / but ___ / so ___.
• The character realised ___ because ___ / but ___ / so ___.
• At the beginning, ___ happened because ___ / but ___ / so ___.
• Later, ___ happened because ___ / but ___ / so ___.
• In the end, ___ happened because ___ / but ___ / so ___.
• A key event was ___ because ___ / but ___ / so ___.
• The turning point was ___ because ___ / but ___ / so ___.
• The conflict started because ___ / but ___ / so ___.
• The conflict was resolved because ___ / but ___ / so ___.
• I predict ___ because ___ / but ___ / so ___.
• I think ___ because ___ / but ___ / so ___.
• The author included ___ because ___ / but ___ / so ___.
• The author wanted the reader to think about ___ because ___ / but ___ / so ___.
• This links to real life because ___ / but ___ / so ___.

Why This Strategy Helps Reluctant Writers

Many students struggle with open-ended comprehension questions because they lack structure.

Because / But / So provides:

• A clear starting point
• A manageable framework
• Reduced cognitive overload
• Increased confidence

Structure supports thinking.

And confident writers are more willing to take risks in their responses.

The Bottom Line

Because / But / So is a simple but powerful reading comprehension strategy.

It helps students:

• Move beyond short answers
• Organise ideas logically
• Recognise cause and effect
• Use evidence
• Write clearer responses

Sometimes deeper comprehension doesn’t require more complexity.

It requires better structure.

If you’d like ready-to-use templates and teacher guidance for implementing Because / But / So during novel studies, you can download my FREE Novel Study Writing Toolkit, designed for Years 3–6.