Identify the adverb clause of purpose in the following sentence:
In order that the patients could sleep well, the night nurse switched off the lights that hung above their beds.
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → In order that the patients could sleep well
Adverb clause of purpose:
- An adverb clause of purpose tells with what aim something is done. It begins with so that or in order that.
- Here the clause tells why the night nurse switched off the lights. It runs from “In order that” to “well”.
Why the Other Options are Incorrect?
Option 2: the patients could sleep well — Incorrect. This is only part of the clause. It leaves out the joining words “In order that”.
Option 3: the night nurse switched off the lights — Incorrect. This is the main clause. It makes sense on its own.
Option 4: that hung above their beds — Incorrect. This is an adjective clause. It describes the noun “lights”.