The following sentence has been split into four segments. Identify the segment that contains a grammatical error. The couple /preferred to walk / until the last house / of the town.

Explanation

The error is in the phrase “until the last house”.

👉 “Until” is used for time, not for place or distance.
👉 Since the sentence refers to a location (last house), the correct word should be “up to”.

✔️ Correct Sentence:

The couple preferred to walk up to the last house of the town.

✨ Extra Facts

🔹 Until vs Up to

• Until → used for time
  Example: She waited until evening.
• Up to → used for place/limit
  Example: He walked up to the gate.

🔹 Use of “Preferred”

• Structure: prefer + to + verb
  Example: She preferred to stay home.

🔹 “Couple” Usage

• Can be singular or plural depending on meaning
  Example:
  • The couple is happy. (as one unit)
  • The couple are arguing. (as individuals)