Last updated: 24 juin 2026
Cause & Consequence Connectors: Building Logical Arguments

Cause & Consequence Connectors: Building Logical Arguments
Total Word Count: 1,850+ words
Want to explain why something happened? Or show what resulted from it?
You need Cause and Consequence Connectors.
These are the backbone of argumentation in TEF/TCF Writing. Knowing the difference between "car", "parce que", "puisque", and "donc", "par conséquent", "c'est pourquoi" is essential for sounding coherent and sophisticated.
Part 1: Expressing Cause (La Cause)
A. "Because" Variants
Parce que: The most common. Answers "Why?".
- "Je suis fatigué parce que j'ai mal dormi."
- Comes after the main clause.
Part 2: Expressing Consequence (La Conséquence)
A. Adverbs and Conjunctions
Donc: So / Therefore.
- "Il pleut, donc je reste."
- Very common, slightly informal.
Part 3: Nuance and Register
Part 4: Exam Application
In Writing (Section B/Task 3):
Use at least 2 different cause connectors and 2 different consequence connectors to show range.
Weak: "La pollution augmente parce que les usines émettent du CO2. Donc, il faut agir."
Strong: "La pollution augmente l'activité industrielle. , il devient impératif de mettre en œuvre des politiques environnementales."
Part 5: Common Mistakes
- Using "car" at the start: "Car il était fatigué, il est parti." ❌ (Use "Comme" or "Puisque").
- Mixing up "à cause de" and "grâce à": "Grâce à la maladie, il est resté." ❌ (This implies the illness was positive).
- Overusing "donc": Vary with "c'est pourquoi", "ainsi", "par conséquent".
Conclusion
Cause and Consequence are the logic of French argumentation. Use "puisque" and "en raison de" for causes; use "par conséquent" and "c'est pourquoi" for consequences. This variety alone will elevate your essay from B2 to C1.