Making an appointment in English typically involves the following language features:

• Verbs: "make," "schedule," "reserve," "book," "request," etc.
• Nouns: "appointment," "meeting," "visit," "reservation," etc.
• Time expressions: "tomorrow," "next week," "at 2 PM," "on Tuesday," etc.
• Modals: "can," "could," "would," "should," "may," etc.

Examples of making an appointment in English could be:

• Can I make an appointment for next Wednesday at 3 PM?
• I would like to schedule a visit with the doctor.
• I am calling to request an appointment for next Monday at 9 AM.
• I was wondering if it's possible to book a meeting for next Friday.
• May I reserve an appointment for the day after tomorrow?

It's important to note that the language used may vary depending on the context, formality and the culture you are in.