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TOEIC Decision Point

Although and But: Don’t Use Two Contrast Signals Together

In TOEIC Part 5, although and but can appear in contrast questions about delays, problems, results, costs, customer feedback, and business changes.

The trap is not the meaning of contrast. The trap is choosing how the clauses are connected. In the two-clause pattern on this page, standard English uses either although or but, not both.

Standard English rule: Although is a subordinating conjunction. But is a coordinating conjunction. In the two-clause contrast pattern here, use one structure or the other; do not combine Although ..., but ....

The MTC 7-second choice

Although = subordinate contrast clause

Use although to introduce a subordinate clause that contrasts with the main clause.

Signal: Although sales increased, profits fell.

But = coordinated contrast

Use but to connect coordinated ideas or clauses that contrast.

Signal: Sales increased, but profits fell.

The signal to remember

If a two-clause sentence begins with although, do not add but before the main clause. Although has already introduced the contrast relationship.

Although the delivery was delayed, the customer accepted the order.

Why: although already shows the contrast.

The delivery was delayed, but the customer accepted the order.

Why: but turns from one idea to the opposite result.

Although the product is expensive, it has received strong reviews.

Why: the contrast starts with although.

The product is expensive, but it has received strong reviews.

Why: but connects the two opposite ideas.

What to notice in Part 5

When translating from Japanese, a learner may feel that using both although and but makes the contrast clearer. In this two-clause pattern, standard English uses one connector structure rather than both.

Non-standard pattern

Although the report was short, but it included all required data.

Standard patterns

Although the report was short, it included all required data.

The report was short, but it included all required data.

Watch the small words

Part 5 questions can give you a clue at the beginning of the sentence. In this two-clause pattern, if the sentence starts with although, the main clause does not need but.

Although the hotel is close to the station, ___ it is reasonably quiet.

Decision: but is not needed because although already marks the contrast.

The hotel is close to the station, ___ it is reasonably quiet.

Decision: but can connect the contrast between the two ideas.

Although the seminar was fully booked, several participants did not attend.

Decision: the contrast signal is already at the front.

Quick TOEIC check

Choose by checking the clause structure and whether although has already introduced the contrast. This is a micro-diagnostic, not a score test.

1. Although the new printer is compact, ___ it can handle large print jobs.
2. The new printer is compact, ___ it can handle large print jobs.
3. ___ the meeting was short, several important decisions were made.
4. Although the supplier offered a discount, ___ the total cost remained high.

The mistake to avoid under time pressure

Under time pressure, adding a second contrast word can feel safer. In this two-clause pattern, extra contrast signals do not make the sentence more grammatical.

Weak choice

“Although and but both show contrast, so using both makes the sentence clearer.”

Better choice

“Does this sentence already have a contrast signal?”

Why this mistake can return under pressure

Under pressure, learners may translate the relationship instead of checking clause structure. Identify whether although has already introduced the subordinate clause or but is needed to coordinate the clauses.

MTC one-second tool: Two-clause pattern starts with although? Do not add but before the main clause. Two complete contrasting clauses? But may connect them.

Use repeated small mistakes as a diagnostic signal

If you understand although and but during study but repeatedly choose both across several timed sets, translation habit may be one pattern to investigate. One missed item is not enough to establish a Learning Block.

My TOEIC Coach helps test-takers notice these small decision habits and build a more reliable approach to Part 5.

Take the TOEIC Learning Block Diagnostic Practise more Part 5 grammar Find a TOEIC study plan

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FAQ (EN) — Conjunctions / Transition Words Topic: Why “although but” is wrong, and how to choose the right connector Q: What’s the difference between although and but? A: Both show contrast, but you can only use one at a time. “Although” starts a sentence part, while “but” connects two complete ideas. Never use them together. Q: Can I use although and but in the same sentence? A: No. Using both is a common TOEIC mistake. Choose one to show contrast — not both. Q: Which is correct: although or however? A: Both can show contrast, but “although” is used inside a sentence, while “however” often starts a new sentence. TOEIC tests the difference. Q: When should I use however vs therefore? A: “However” shows contrast. “Therefore” shows result. If two ideas go in opposite directions, use “however.” If one causes the other, use “therefore.” Q: What’s the best way to use transition words in TOEIC? A: Focus on the meaning between ideas — are they opposite, connected, or cause and effect? Choose the word that fits the logic. Q: Can I use so and because together? A: No. “Because” gives a reason. “So” shows a result. Use one, not both. Q: How do I know when to use even though? A: Use “even though” when something happens despite a problem. It adds emotional strength to contrast, like “although.” Q: What’s the difference between because and so? A: “Because” explains why. “So” explains what happened as a result. TOEIC often flips these to trick you. Q: Is although the same as even though? A: Almost. “Even though” is stronger. Both show contrast, and TOEIC may test subtle differences. Q: Can I start a sentence with although? A: Yes, but make sure the second part completes the idea. “Although it was raining, we played soccer.” Q: Why is “although but” wrong in TOEIC? A: Because both words mean contrast. Using both is repeating the same idea — TOEIC marks it wrong. Q: What words show contrast in English? A: Common ones are: but, although, even though, however, yet. Know how to use each one clearly. Q: What’s the difference between so and therefore? A: Both show results. “So” is casual and used in the same sentence. “Therefore” is more formal and often starts a new sentence. Q: Can I say “but however” in the same sentence? A: No. Pick one — not both. They both show contrast, and using both is a mistake. Q: Which is stronger: although or but? A: “Although” is more formal and can start a sentence part. “But” is simpler. TOEIC focuses on which one fits the structure. Q: What’s the opposite of because? A: Not a direct opposite, but if “because” shows cause, then “so” or “therefore” shows the result. Q: How do I choose the right connector in TOEIC questions? A: Look at the logic. Does the second idea explain, contrast, or continue the first? The meaning tells you the answer. Q: What are the most common transition word traps in TOEIC? A: Using two words that mean the same thing (like “although but”), or picking a word that doesn’t match the meaning. Q: When do I use while vs although? A: “While” can show time or contrast. If the sentence compares two ideas, “while” can work like “although” — but check the meaning. Q: What’s the difference between despite and although? A: “Despite” is followed by a noun. “Although” is followed by a full sentence. TOEIC loves testing this.