B1

Non-defining relative clauses Exercises

About this lesson

Non-defining relative clauses · B1. Use who / whose to express extra information about a named person; whose marks possession and who is a subject.

Complete 12 original tasks. Use the situation to choose the intended meaning, practise the form, then apply it in a fresh context.

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Knowledge map

Non-defining relative clauses

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Non-defining relative clauses — Knowledge map
Non-defining relative clauses — Knowledge map

01extra information about a named person; whose marks possession and who is a subject

Use who / whose to express extra information about a named person; whose marks possession and who is a subject.

Mara, who manages the archive, is on leave.

02a non-defining comment about a thing or an entire preceding proposition; keep commas

Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas.

The bus never arrived, which made us late.

03extra information about a place or time; these words supply the missing place/time link

Use where / when to express extra information about a place or time; these words supply the missing place/time link.

Porto, where my aunt lives, has steep streets.

Illustrated guide

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Questions
01 / 12D01Save it to find it in My collection.

Mara is already identified. Add information about her job.

Mara, ___ manages the archive, is on leave.

Your answer
1 / 12

Your learning route

01
Step 1 · Warm-up

Warm-up

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02
Step 2 · Build the skill

extra information about a named person; whose marks possession and who is a subject

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Use who / whose to express extra information about a named person; whose marks possession and who is a subject.

Mara, who manages the archive, is on leave.
03
Step 3 · Build the skill

a non-defining comment about a thing or an entire preceding proposition; keep commas

0/1

Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas.

The bus never arrived, which made us late.
04
Step 4 · Build the skill

extra information about a place or time; these words supply the missing place/time link

0/1

Use where / when to express extra information about a place or time; these words supply the missing place/time link.

Porto, where my aunt lives, has steep streets.
05
Step 5 · New contexts

New contexts

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06
Step 6 · A fresh challenge

A fresh challenge

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Practice notes in this unit

Make mistakes useful.

Keep the first try. Understand the change. Check it in a fresh situation.

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Lesson map

Non-defining relative clauses

B1
Non-defining relative clauses

Lesson points

01

extra information about a named person; whose marks possession and who is a subject

Use who / whose to express extra information about a named person; whose marks possession and who is a subject.

Mara, who manages the archive, is on leave.
02

a non-defining comment about a thing or an entire preceding proposition; keep commas

Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas.

The bus never arrived, which made us late.
03

extra information about a place or time; these words supply the missing place/time link

Use where / when to express extra information about a place or time; these words supply the missing place/time link.

Porto, where my aunt lives, has steep streets.

Questions & answers

Opening an answer records help for that question.

D01 · Warm-up

Mara is already identified. Add information about her job.

Mara, ___ manages the archive, is on leave.

  1. where
  2. whose
  3. who
  4. which
Answer & explanation
who

Look at “Mara, ___ manages the archive, is on leave.”. Use who / whose to express extra information about a named person; whose marks possession and who is a subject. Complete sentence: “Mara, who manages the archive, is on leave.”.

D02 · Warm-up

The comment concerns the whole preceding fact.

The bus never arrived, ___ made us late.

  1. where
  2. whose
  3. who
  4. which
Answer & explanation
which

Look at “The bus never arrived, ___ made us late.”. Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas. Complete sentence: “The bus never arrived, which made us late.”.

D03 · Warm-up

The missing word links an already identified place to activity there.

Porto, ___ my aunt lives, has steep streets.

  1. where
  2. whose
  3. which
  4. who
Answer & explanation
where

Look at “Porto, ___ my aunt lives, has steep streets.”. Use where / when to express extra information about a place or time; these words supply the missing place/time link. Complete sentence: “Porto, where my aunt lives, has steep streets.”.

P01 · Build the skill

The colleague is already identified; the gap shows possession of a bike.

Jon, ___ bike was stolen, has reported it.

  1. where
  2. whose
  3. which
  4. who
Answer & explanation
whose

Look at “Jon, ___ bike was stolen, has reported it.”. Use who / whose to express extra information about a named person; whose marks possession and who is a subject. Complete sentence: “Jon, whose bike was stolen, has reported it.”.

P02 · Build the skill

Add a non-defining comment about the entire preceding event. Supply a relative pronoun.

The team cancelled the launch, ___ surprised investors.

Answer & explanation
which

Complete sentence: “The team cancelled the launch, which surprised investors.” Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.

P03 · Build the skill

A time reference is needed; no place is described.

In June, ___ the school closes, we will travel.

  1. where
  2. who
  3. whose
  4. when
Answer & explanation
when

Look at “In June, ___ the school closes, we will travel.”. Use where / when to express extra information about a place or time; these words supply the missing place/time link. Complete sentence: “In June, when the school closes, we will travel.”.

P04 · Build the skill

Supply a relative determiner expressing the named person’s ownership.

Aisha, ___ studio faces the river, painted the view.

Answer & explanation
whose

Complete sentence: “Aisha, whose studio faces the river, painted the view.” Use who / whose to express extra information about a named person; whose marks possession and who is a subject. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.

R01 · New contexts

A named scientist receives additional subject information.

Dr Lee, ___ discovered the error, will explain it.

  1. whose
  2. who
  3. which
  4. where
Answer & explanation
who

Look at “Dr Lee, ___ discovered the error, will explain it.”. Use who / whose to express extra information about a named person; whose marks possession and who is a subject. Complete sentence: “Dr Lee, who discovered the error, will explain it.”.

R02 · New contexts

Supply a relative pronoun as the subject referring to the identified machine.

The old generator, ___ still works, powers the shed.

Answer & explanation
which

Complete sentence: “The old generator, which still works, powers the shed.” Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.

R03 · New contexts

The gap represents the place where they first met.

The old library, ___ we first met, is being restored.

  1. where
  2. who
  3. which
  4. whose
Answer & explanation
where

Look at “The old library, ___ we first met, is being restored.”. Use where / when to express extra information about a place or time; these words supply the missing place/time link. Complete sentence: “The old library, where we first met, is being restored.”.

X01 · A fresh challenge

A named building receives additional subject information.

The lighthouse, ___ was built in 1890, is open today.

  1. where
  2. which
  3. whose
  4. who
Answer & explanation
which

Look at “The lighthouse, ___ was built in 1890, is open today.”. Use which to express a non-defining comment about a thing or an entire preceding proposition; keep commas. Complete sentence: “The lighthouse, which was built in 1890, is open today.”.

X02 · A fresh challenge

Supply a relative time word for additional information about the specified year.

In 2014, ___ the bridge opened, traffic patterns changed.

Answer & explanation
when

Complete sentence: “In 2014, when the bridge opened, traffic patterns changed.” Use where / when to express extra information about a place or time; these words supply the missing place/time link. The subject, time and meaning in the task determine this form. Only reviewed responses are matched automatically; other wording is not automatically wrong.

Other accepted versions
  • in which