Nominal Relative Clauses 

In this lesson we learn about nominal relative clauses, which are essential clauses that function as nouns and provide specific information in a sentence. Clear explanations and practice exercises to help you learn.

Nominal Relative Clauses in the English Grammar

What Are Nominal Relative Clauses?

Nominal relative clauses are dependent clauses that function as a noun within a sentence, typically serving as either the objects, subjects, or complements of the independent clause. These clauses are introduced by a nominal relative pronoun, a relative adverb, or determiner.

Nominal Relative Clauses: Structure

Nominal relative clauses are introduced by relative pronouns (who, whom, which, what), relative adverbs (where, when, why, how), or relative determiners (what, whatever, whichever).

Example

What she said surprised everyone.

A nominal relative clause with "what" acting as a relative pronoun.

Why they left early remains unclear.

A nominal relative clause with "why" acting as a relative adverb.

Pick whichever book you like.

A nominal relative clause introduced by the relative determiner "whichever ".

Nominal Relative Clause with To-infinitive

Nominal relative clauses can also be formed using a to-infinitive after the relative word. This is possible when the subject is implied or unnecessary and the verb does not express necessary tense and aspects. For example:

Example

I don't know what I should do. → I don't know what to do.

Here, the subject of the nominal relative clause and the overall sentence is the same, so it can be removed from the nominal relative clause.

They discussed how they could solve the problem. → They discussed how to solve the problem.

As you can see, the verb does not show tense and the subject can be implied based on the main clause.

I don't know what he did. → I don't know what to do.

Here, since the subject of the nominal relative clause is different from the subject of the main clause and the verb has a specific tense, the nominal relative clause cannot be changed into a to-infinitive.

Nominal Relative Clauses: Functions

Nominal relative clauses are used as subjects, objects of verbs or prepositions, or complements for the main clause and they act as a noun or a noun phrase. As a result, they are regarded as noun clauses or nominal clauses.

Example

When you saw me doesn't matter.

'When you saw me' acts as a subject for 'doesn't matter.'

It is what you want.

'What you want' is the complement of 'it is.'

I do whatever you say.

'Whatever you say' is the object of 'do.'

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Nominal Relative Clauses: Placement

Nominal relative clauses are introduced by a nominal relative pronoun and can appear in the subject position at the beginning of the sentence, or in the object position after the verb, or after a linking verb or noun as subject or object complement. Look at the examples.

Example

I don't know why you called me.

'Why' is a nominal relative pronoun introducing 'why you called me' as a nominal relative clause and the object of the verb 'know.'

You can call me what you like.

Here, the nominal relative clause "what you like" appears after a noun as its complement.

Who did it is still unclear.

A nominal relative clause at the beginning of the sentence as the subject.

Nominal Relative Clauses vs. Relative Clauses

Nominal relative clauses act as nouns, but relative clauses act as adjectives that add information to the preceding noun or noun phrase. Compare the examples below:

Example

I know the man whose book you have bought.

'Whose' here is a relative pronoun, introducing an adjective relative clause.

I know whose book you have bought.

'Whose' is a possessive relative determiner introducing a nominal relative clause.

Nominal Relative Clause vs. Interrogative Sentence

Both nominal relative clauses and interrogative sentences start with words like who, what, which, why, when, etc. The difference between them lies in the structure of the sentence. In wh-questions that have a subject, the word order is usually inverted. However, when "what", "who" or "which" are the subject of the clause themselves, nominal relative clauses and questions have the same form, with the main difference being that nominal relative clauses are dependent. Look at the examples:

Example

I don't know what I should do. → What should I do?

Nominal relative clauses follow the normal word order while questions invert the subject and verb positions.

Who was at the party is not known → Who was at the party?

When "who", "what", or "which" are the subject of the clause, the nominal relative clause and the question have the same structure.

Review

Nominal relative clauses can be followed by a noun or it can also be followed by a to-infinitive. Nominal relative clauses are used as:

subjects

objects

complements

Quiz:


1.

Which of the following sentences contains a nominal relative clause introduced by a relative pronoun?

A

I don't know where she went.

B

This is what I was talking about.

C

She asked me how the meeting went.

D

I wonder when he will arrive.

2.
weknow
but
know
why
don't
.
did
happened
who
it
this
we
3.

Connect each incomplete sentence to the correct ending.

What she did last night
I will buy whichever
I don't know why
He is responsible for
she left early.
amazed everyone.
book you recommend.
whatever happens next.
4.

Fill in the blanks with the correct words based on the contents of the lesson.

Nominal relative clauses are

clauses that function as a noun within a sentence.

Nominal relative clauses are introduced by relative

, relative adverbs, or relative determiners.

Nominal relative clauses can function as subject, object, or

is sentences.

Nominal relative clauses can appear at the

of a sentence when they act as the subject.

dependent
pronouns
complement
beginning
end
independent
5.

Which of the following statements correctly describes the difference between nominal relative clauses and interrogative sentences?

A

Nominal relative clauses and interrogative sentences always use the same word order.

B

Nominal relative clauses never invert the subject and verb, while interrogative sentences do.

C

There is no difference between nominal relative clauses and interrogative sentences.

D

The only difference between nominal relative clauses and questions is the use of a question mark

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