Clauses MCQ With Answers: Noun, Adjective and Adverb Clauses
English · 2026-10-19 · 7 min read
A clause is a group of words with its own subject and verb. Clauses appear in the English section of JKSSB Junior Assistant, Constable, Stenographer and many other papers. Learn the three types of subordinate clause and you can answer most questions in seconds.
Main and subordinate clauses
In 'I know that he is honest', 'I know' is the main clause and 'that he is honest' is the subordinate clause. The subordinate clause depends on the main clause for its meaning.
The three subordinate clauses
- Noun clause: does the work of a noun. It answers 'what?'. It begins with that, what, who, whether, why, how. Example: 'I know what you want.'
- Adjective (relative) clause: describes a noun. It begins with who, whom, whose, which, that. Example: 'The man who called is my uncle.'
- Adverb clause: does the work of an adverb. It shows time, place, reason, condition, purpose, result, comparison or concession. It begins with when, where, because, if, so that, although, than. Example: 'We stayed home because it rained.'
A quick test
Replace the clause with 'it', 'something' or 'the thing'. If the sentence still works, it is a noun clause. If the clause tells you which noun is meant, it is an adjective clause. If it tells you when, why or how, it is an adverb clause.
How to recognise a clause
A clause has a subject and a verb. A principal (main) clause can stand alone as a sentence. A subordinate (dependent) clause cannot, because it depends on the main clause for its meaning. Look for the joining word: that, who, which, because, although, if, when, where and so on.
Noun clauses
A noun clause does the work of a noun. It can be the subject, the object or the complement of a verb, or follow a preposition. It usually begins with that, what, whether, who, why, how or when.
- Object: 'I know that he is honest.'
- Subject: 'What he said surprised everyone.'
- After a preposition: 'She was worried about what might happen.'
- Test: replace the clause with 'it' or 'something'. If the sentence still makes sense, it is a noun clause
Adjective clauses
An adjective clause describes a noun or pronoun and usually begins with who, whom, whose, which or that. It comes straight after the noun it describes.
- 'The book that you gave me is excellent.'
- 'The girl who won the prize is my cousin.'
- 'This is the house where I was born.'
Adverb clauses
An adverb clause modifies a verb, an adjective or another adverb. It is named by the idea it expresses.
- Time: 'I will call you when I reach home.'
- Place: 'He stood where the road ended.'
- Reason: 'She was absent because she was ill.'
- Purpose: 'He ran fast so that he could catch the train.'
- Result: 'He was so tired that he fell asleep.'
- Condition: 'If you work hard, you will succeed.'
- Concession: 'Although he was tired, he continued.'
- Comparison: 'She runs faster than her brother does.'
A three-step method for exam questions
- Find the verb groups and mark each clause
- Find the joining word and note what it introduces
- Ask what job the clause does in the sentence: naming something, describing a noun, or giving a reason, time or condition
Common mistakes
- Treating 'that' as always a relative pronoun. In 'I think that he is right', 'that' introduces a noun clause
- Confusing an adjective clause with a noun clause when both start with 'that'. Check whether the clause follows a noun and describes it
- Missing the concession clause: although, though and even if show contrast
- Using 'because' and 'so' together in one sentence
Questions candidates ask
How do I tell a noun clause from an adjective clause? A noun clause does the work of a noun and cannot be removed. An adjective clause describes a noun and follows it.
Is 'that' always a relative pronoun? No. In 'I think that he is right', it introduces a noun clause.
What clause is 'because he was ill'? An adverb clause of reason.
Practise
Try the 20 MCQs below. Then continue with the English topic sets and a Junior Assistant mock.
By Shivam · Written with AI assistance and fact-checked · Questions on this page are original · Editorial policy · Report an error
Practice questions
Q1. Identify the clause: 'I know that he is honest.' The underlined part 'that he is honest' is a:
- Noun clause
- Main clause
- Adverb clause
- Adjective clause
Show answer
Noun clause — It is the object of 'know'.
Q2. 'The book which I bought is interesting.' The clause 'which I bought' is a(n):
- Noun clause
- Adverb clause
- Main clause
- Adjective clause
Show answer
Adjective clause — It describes the noun 'book'.
Q3. 'He came when I was sleeping.' The clause 'when I was sleeping' is a(n):
- Noun clause
- Adverb clause of place
- Adverb clause of time
- Adjective clause
Show answer
Adverb clause of time — It tells when he came.
Q4. A clause that cannot stand alone is called:
- A main clause
- A simple sentence
- A subordinate clause
- An independent clause
Show answer
A subordinate clause — It depends on a main clause.
Q5. 'She is as tall as her brother.' The clause 'as her brother is tall' is an adverb clause of:
- Purpose
- Comparison
- Time
- Condition
Show answer
Comparison — It compares two people.
Q6. Which of these is a noun clause?
- The boy who came is my friend.
- What he said surprised me.
- She is taller than I.
- He ran because he was late.
Show answer
What he said surprised me. — 'What he said' is the subject.
Q7. 'He works hard so that he may succeed.' The adverb clause shows:
- Reason
- Purpose
- Time
- Place
Show answer
Purpose — 'So that' introduces purpose.
Q8. 'If it rains, we will stay home.' The clause 'If it rains' is an adverb clause of:
- Condition
- Concession
- Cause
- Time
Show answer
Condition — It states a condition.
Q9. 'Although he was tired, he kept working.' The clause 'Although he was tired' shows:
- Cause
- Concession
- Purpose
- Place
Show answer
Concession — Although introduces contrast.
Q10. 'This is the house where I was born.' The clause 'where I was born' is a(n):
- Noun clause
- Adverb clause of purpose
- Adjective clause
- Main clause
Show answer
Adjective clause — It describes 'house'.
Q11. A clause has:
- Only a subject
- Neither subject nor verb
- Only a verb
- A subject and a verb
Show answer
A subject and a verb — A phrase lacks a finite verb.
Q12. 'I don't know whether he will come.' The clause is a:
- Phrase
- Noun clause
- Adjective clause
- Adverb clause
Show answer
Noun clause — It is the object of 'know'.
Q13. 'He ran fast because he was late.' The clause 'because he was late' shows:
- Reason
- Time
- Purpose
- Place
Show answer
Reason — Because gives the reason.
Q14. In 'The man who is standing there is my uncle', the main clause is:
- Man who is standing
- Who is standing there
- There is my uncle
- The man is my uncle
Show answer
The man is my uncle — The relative clause is inside it.
Q15. Which word can begin an adjective clause?
- Although
- Because
- Unless
- Whose
Show answer
Whose — Whose, who, whom, which, that.
Q16. 'Wherever you go, I will follow.' The clause 'Wherever you go' is an adverb clause of:
- Reason
- Time
- Comparison
- Place
Show answer
Place — It shows place.
Q17. 'He is so weak that he cannot walk.' The clause 'that he cannot walk' shows:
- Place
- Result
- Purpose
- Condition
Show answer
Result — So … that shows result.
Q18. 'The fact that he lied is clear.' 'that he lied' is a(n):
- Adverb clause
- Main clause
- Adjective clause
- Noun clause in apposition
Show answer
Noun clause in apposition — It explains 'the fact'.
Q19. A sentence with one main clause and one or more subordinate clauses is:
- Simple
- Fragment
- Compound
- Complex
Show answer
Complex — A complex sentence.
Q20. 'He is richer than I am.' The clause 'than I am' is an adverb clause of:
- Result
- Time
- Comparison
- Reason
Show answer
Comparison — Than introduces comparison.
Practice this topic
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