IMO Practice Test — Advanced Clause Analysis
8 Questions • 15 min • Olympiad level
15:00
Question 1 of 8
Identify the function: 'Whoever broke the vase must pay for it.'
nominal relative as subject
noun clause as object
adverb clause
adjective clause
Explanation: 'Whoever broke the vase' is the subject (= the person who broke it).
Question 2 of 8
Choose the correctly reduced sentence: 'The girl who was chosen for the lead role is talented.'
The girl chosen for the lead role is talented.
The girl choosing for the lead role is talented.
The girl who chosen is talented.
The girl was chosen is talented.
Explanation: Passive relative → past participle 'chosen'.
Question 3 of 8
Spot the error: 'The reason is because he was careless.'
because → that
reason → cause
is → was
no error
Explanation: 'The reason is that …' — a noun clause, not 'because'.
Question 4 of 8
Which sentence contains a noun clause as the object of a preposition?
I thought about what you said.
I know that you are right.
What you said is true.
The man who called left.
Explanation: 'what you said' is the object of 'about'.
Question 5 of 8
Reduce the clause: 'Anyone who is interested may apply.'
Anyone interested may apply.
Anyone interesting may apply.
Anyone who interested may apply.
Anyone interest may apply.
Explanation: 'who is interested' → 'interested' (adjective from past participle).
Question 6 of 8
Choose the correct nominal relative: 'I'll support ___ becomes the captain.'
whatever
whoever
whichever
wherever
Explanation: 'whoever' refers to a person.
Question 7 of 8
Rearrange into a sentence with a noun-clause subject: 'matters / he / how / says / it'
How he says it matters.
It matters how he says.
He says how it matters.
Matters how he says it.
Explanation: 'How he says it' is the noun-clause subject of 'matters'.
Question 8 of 8
Identify the noun clause in apposition: 'The news that the team had won spread fast.'
The news
that the team had won
spread fast
had won
Explanation: 'that the team had won' renames 'The news' — apposition.