Đề cương ôn thi THPT Quốc gia Tiếng Anh: Phần I-Các chuyên đề: CHUYÊN ĐỀ 9-LIÊN TỪ (CONJUNCTIONS): * PHẦN 1: LÝ THUYẾT: III. Subordinating Conjunctions

Đề cương ôn thi THPT Quốc gia Tiếng Anh:

Phần I-Các chuyên đề:



III. Subordinating Conjunctions

      Subordinating conjunctions introduce subordinate clauses, which are clauses that cannot stand by themselves as a complete thought.


      The subordinate conjunction connects a subordinate clause to an independent clause, which can stand by itself.


Ex.  We will go whale watching if we have time

*List of Subordinating Conjunctions

  time Purpose




Cause Comparison


As long as

As soon as









In order that

So that




As if

As though


because As



Subordinating Conjunctions of Condition


Although Even though Though
As long as If Unless
Even if Provided that While


The most common subordinating conjunctions are:

After – later than the time that : later than when.
Example: “Call me after you arrive at work”

Although – despite the fact that : used to introduce a fact that makes another fact unusual or surprising.
Example: “Although she was tired, she couldn’t sleep”

As – used to introduce a statement which indicates that something being mentioned was known, expected, etc.
Example: “As we explained last class, coordinating conjunctions are sentence connectors”

Because – for the reason that.
Example: “I painted the house because it was a horrible colour”

Before – earlier than the time that : earlier than when.
Example: “Come and visit me before you leave”

How – in what manner or way.
Example: “Let me show you how to knit”

If -used to talk about the result or effect of something that may happen or be true.
Example: “It would be fantastic if you could come to the party”

Once – at the moment when : as soon as.
Example: “Once you’ve learnt how to cycle, it’s very easy”

Since – used to introduce a statement that explains the reason for another statement.
Example: “Since you’ve studied so well, you can go outside and play”

Than – used to introduce the second or last of two or more things or people that are being compared — used with the comparative form of an adjective or adverb.
Example: “My sister is older than I am”

That – used to introduce a clause that states a reason or purpose.
Example: “Olivia is so happy that it’s summer again”

When – at or during the time that something happened.
Example: “A teacher is good when he inspires his students”

Where – at or in the place that something happened.
Example: “We went to the bar where there most shade”

Whether -used to indicate choices or possibilities.
Example: “Bruno wasn’t sure whether to go to India or Thailand”

While – during the time that something happened”
Example: “While we were in Paris, it snowed”

Until – up to the time or point that something happened”
Example: “We stayed up talking until the sun came up”

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