Replacing Defining Relative Clauses With To+Infinitive

Use We use defining infinitive clauses to give more information about a specific person, thing, or event. These clauses are essential to the meaning of the sentence-they "define" exactly which person or thing we are talking about. Structure Noun phrase + to + infinitive verb (NP + to + V) Examples: the first person to fly (the person who flew first) the only one to stay up late (the one who stayed up late) More examples: She is the best student to ask for advice. He is the first child to win a gold medal. This is the right time to start the project. How it Works The noun phrase (NP) is the person or thing being described. 'to' + infinitive (V) shows the action that defines them. This structure replaces a full relative clause with who/which + verb. Full relative clause version: the first person who flew → the first person to fly the only one who stayed up late → the only one to stay up late