Hello !
Réponse :
1. The teachers want students to look elegant.
2. The headmaster orders students to wear uniforms.
3. School uniforms teach pupils to be part of a team.
4. Uniforms help students to prepare for when they leave school.
5. Most parents prefer their children to conform to the school rules.
Explications :
Se construit avec la forme V + nom ou pronom complément + TO + infinitif.
Souvent, la proposition infinitive est employée après les verbes suivant : want, like, ask, prefer, need, order, prefer, wait for,...