The Adverbial Clause is one of the subordinate clauses in English. There are different Types of Adverbial Clauses as exaplained below:

Adverbial Clause of Time

This refers to when an action takes place. For instance:

As soon as the man saw his wife, he ran away.
Before she completed the cooking, the visitors had left.
After the church service, the children went to the zoo.
Immediately he came home, he went to bed.
When the war ended, many families returned to their abandoned homes.
While she was cooking, I came in.
The boy ran away when he saw the police.
The thief froze as soon as he heard the sirens.
His feeding pattern had changed since she came around.
Until he comes, nobody will leave the house.


Adverbial Clause of Place

This refers to where an action takes place. For instance:

Jane sat where her mother had prepared for her friend.
I will go wherever you go.
She promised to look for the purse wherever she might find it.
Send us to wherever you want to.
The plane crashed where it was difficult to locate.
He travelled where no one could reach him.
She fell where the makeshift wooden bridge was weak.
I will go wherever you go.


Adverbial Clause of Manner

This refers to how an action takes place. For instance:

The man was talking as if she was the leader of the group.
The choir sang as though the heavens would fall.
She performed so excellently that she got a scholarship.
Please do it (exactly) as I instructed.
(Just) as sugar attracts an ant (so) her beauty and congeniality attract customers to her shop.


Adverbial Clause of Reason

This clause tells us the reason for the action the verb expresses. Subordinating conjunctions such as that, because, since, as, etc. Examples include:

The man works hard because he has debts to offset.
Because he has money, he believes he can get away with the crime.
He was denied entrance as he could not pay the required fees.
He was not happy that he could not make the list.
His people were angry that he was not elected their representative.
She may not be charged to court since she has returned the stolen funds.
Note: sometimes, we might omit the conjunction ‘that’ as we have in the following sentences:

He was happy he could make the list.
His people were angry he was not elected their representative.
I am glad you were able to come.

We use ‘as’ and ‘since’ when the reason is obvious to the listener. For instance:

We will have to trek as the last vehicle just left.
Since we are not the only ones involved, we will have to wait for instructions.
In the case of ‘because’, we use it when the reason is NOT obvious to the listener.

The principal sent him out of school because he had not paid his fees.

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