Alternatives (au lieu de)

Making Substitutions: "Au lieu de"

To state that you are choosing one option instead of another, use the phrase au lieu de.

You can use it directly before a noun to substitute one thing for another.

I choose the kick-scooter instead of the car.
Je choisis la trottinette au lieu de la voiture.

You can also use it to substitute actions. While English uses the -ing form ("instead of doing"), French uses the infinitive (the unconjugated dictionary form).

We take the train instead of driving.
Nous prenons le train au lieu de conduire.

If the verb or noun that follows begins with a vowel or a silent h, de contracts to d'.

You save fuel instead of buying gasoline.
Vous économisez du carburant au lieu d'acheter de l'essence.

To emphasize the action being replaced, you can place au lieu de at the beginning of the sentence.

Instead of consuming gas, I take the bike lane.
Au lieu de consommer de l'essence, je prends la piste cyclable.

Highlighting Contrasts: "Whereas"

To express "whereas" or "while" to contrast two differing facts (like the cost or environmental impact of different transport methods), use the conjunctions alors que or tandis que. They are interchangeable.

The kick-scooter is ecological, whereas the car is polluting.
La trottinette est écologique, alors que la voiture est polluante.
The toll is expensive, whereas carpooling costs nothing.
Le péage est cher, tandis que le covoiturage ne coûte rien.

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