What Are Adverbial Clauses?

Adverbial clauses are dependent clauses that function as adverbs in a sentence. They modify the verb, adjective, or another adverb in a sentence by providing additional information about time, place, manner, condition, purpose, or contrast.

Adverbial Clauses: Characteristics

Let's discuss the four main characteristics of adverbial clauses:

1.

Adverbial clauses are adjuncts. (We can remove them without affecting grammaticality of the sentence)

2.

Adverbial clauses are dependent clauses. (They cannot form a meaningful sentence on their own.)

3.

Adverbial clauses normally start with a subordinating conjunction.

4.

Adverbial clauses must have a subject and a verb.

Adverbial Clauses: Types

Adverbial clauses modify the main verb of the independent clause by answering one of the following questions or talking about one of these topics:

Where

Adverbial clauses of place talk about where something happens. They often start with a preposition of place or a subordinating conjunction of place like:

1.

where

2.

wherever

3.

anywhere

4.

everywhere

Take a look at some examples:

Example

We can go wherever you like.

He was standing where you are standing now.

When or How Often

Adverbial clauses of time talk about when or how often something happens. They start with subordinating conjunctions of time, such as:

1.

when

4.

as soon as

Example

She cries whenever she thinks about it.

We can go outside to play as soon as we finish our homework.

How

Adverbial clauses of manner talk about how something is done or happens. They start with subordinating conjunctions of manner like:

1.

as

2.

like

3.

as if

4.

as though

Example

He looked at me as though I were his biggest enemy.

She talked to me like I was an idiot.

Why

Adverbial clauses of reason, purpose, and result talk about why the action of the sentence happens and what the result is. They start with one of the following subordinating conjunctions:

1.

Reason: because, since, as, given

2.

Purpose: in order to, so that, in order that, in case

3.

Results: so...that, such...that

Example

They didn't enjoy the camping trip because the weather was so bad.

She opened the door quietly in order to not wake the kids up.

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To What Degree

Adverbial clauses of degree talk about to what degree something happens or express comparison. They start with subordinating conjunctions of degree and comparison such as:

1.

as... as

3.

so... as

Example

Tipping a waiter is more common now than it was a decade ago.

She is as smart as she is pretty.

Condition

Adverbial clauses of condition introduce the condition that needs to be met for the main clause to happen. They start with subordinating conjunctions of condition such as:

1.

if

2.

provided (that)

3.

providing

5.

lest

Example

They can come with us provided that they pay for their share.

Brian will not sleep unless you tell him a story.

Concession

Adverbial clauses of concession or opposition talk about contrast. They start with one of the following subordinating conjunctions:

2.

even though

4.

while

5.

whereas

Example

I cannot accept that, although I appreciate your offer.

She must be about 30, whereas her husband looks about 60.

Adverbial Clauses: Structure

Adverbial clauses consist of the following parts:

The dependent marker (also called subordinating conjunctions)

The subject

The predicate: often a verb, but it can also be a verb plus its complements or modifiers

Adverbial Clauses: Punctuation

When the adverbial clause is at the beginning of a sentence, a comma is used to separate it from the main clause. This comma shows where the adverbial clause ends and the main clause starts. Here's an example:

Example

Even though he never went to college, he owns a thriving business.

When the adverbial clause is at the end of a sentence, you need to consider whether the adverbial clause is essential (also called restrictive) or non-essential (also called non-restrictive) to the overall meaning of the sentence.

When it is essential, do not use a comma.

When it is non-essential, use a comma before it.

Example

He said he was happy where he was.

I used to read a lot, though I don't have much time for books now.

Adverbial Clause vs. Adverbial Phrase

An adverb clause must have a subject and a predicate. An adverb phrase, however, does not have a subject and a predicate, rather, it consists of an adverb and its modifiers, or a prepositional phrase.

Adverbial Clause

Adverbial Phrase

if it rains

very carefully

when he met his wife

two years ago

before she goes to bed

before sunrise

Review

Adverbial clauses are dependent clauses that modify the main verb of independent clauses. They start with a subordinating conjunction which connects them to an independent clause. Adverbial clauses are used to answer the following questions or to express following concepts:

where

when or how often

how

why

to what degree

to express condition

to express concession

Quiz:


1.

Identify the adverbial clause in the following sentence:
"She will call you as soon as she arrives at the airport."

A

She will call you

B

as soon as she arrives at the airport

C

at the airport

D

she arrives

2.

Sort the words to form a correct sentence.

cancel
the
we
if
rains
.
will
picnic
it
3.

Match each adverbial clause to its correct type.

She acted as if she knew the answer.
We left before the movie ended.
He failed because he didn't study.
Wherever you go, I will follow.
She's taller than her brother is.
Place
Reason
Comparison
Time
Manner
4.

Complete each sentence using the correct subordinating conjunction to form an adverbial clause. (There are two extra options.)

I'll stay here

you call me.

it was snowing heavily, the game continued.

You won't pass the test

you study.

Put the keys

you can easily find them.

He woke up early

he wouldn't miss the train.

until
although
unless
where
so that
like
than
5.

Identify the correctly punctuated sentence.

A

If you leave now you'll avoid traffic.

B

You'll avoid traffic if you leave now.

C

If you leave now, you'll avoid traffic.

D

B and C

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