For places:
* dans: used for enclosed spaces, like "in the house" (dans la maison).
* à: used for locations without clear boundaries, like "in the city" (à la ville).
* sur: used for surfaces, like "in the garden" (sur le jardin).
For time:
* en: used for periods of time, like "in the morning" (en matinée).
* à: used for specific moments, like "in the afternoon" (à l'après-midi).
Other uses:
* de: used to express material, like "in wood" (en bois).
* par: used to express means, like "in car" (en voiture).
Examples:
* In the house: dans la maison
* In the city: à la ville
* In the garden: sur le jardin
* In the morning: en matinée
* In the afternoon: à l'après-midi
* In wood: en bois
* In car: en voiture
It's important to consider the context and the type of noun when choosing the correct French word for "in".