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Learn how to use coordinating, subordinating, and correlative conjunctions to link words, phrases, and clauses.
A conjunction is a word that joins words, phrases, or clauses together. Conjunctions are vital for creating complex sentences and expressing logical connections between different ideas. Without conjunctions, our sentences would be short, choppy, and repetitive, limiting our ability to construct sophisticated narratives or arguments.
Conjunctions are divided into three main types. Coordinating conjunctions (remembered by the acronym FANBOYS: for, and, nor, but, or, yet, so) connect words, phrases, or independent clauses of equal grammatical rank. Subordinating conjunctions (e.g., because, although, since, unless, while) connect a dependent adverbial clause to an independent main clause, establishing relationships of cause, time, condition, or concession. Lastly, correlative conjunctions (e.g., either...or, neither...nor, not only...but also) work in pairs to join grammatically parallel elements.
According to CBSE board guidelines and Cambridge English frameworks, correct conjunction choice is essential for paragraph cohesion and text flow. Errors in parallel structure when using correlative conjunctions, and punctuation issues when joining independent clauses (such as comma splices), are frequently tested in grammar and editing assessments.
All 8 grammar rules for Conjunctions
Use coordinating conjunctions (For, And, Nor, But, Or, Yet, So) to join words, phrases, or clauses of equal grammatical weight.
Use a subordinating conjunction to introduce a dependent clause and connect it to a main clause. If the dependent clause comes first, use a comma.
Correlative conjunctions work in pairs (either...or, neither...nor, not only...but also). The elements following each part of the pair must be grammatically parallel.
Do not use two conjunctions that serve the same logical purpose in a single sentence. This is a common error in spoken English.
Use 'because' to introduce the cause or reason. Use 'so' to introduce the effect or result. Do not use both in the same sentence.
The conjunction 'lest' means 'for fear that' and has a negative meaning. It is followed by the auxiliary 'should' or the subjunctive base verb; do not use 'not' with it.
Use 'as soon as' to show immediate succession. When using 'no sooner', pair it with 'than' and invert the subject-verb order.
The adverbs/conjunctions 'hardly' and 'scarcely' are paired with 'when' (not 'than') to show immediate sequence, using subject-verb inversion.
8 worked examples with analysis
She was not only a brilliant scientist but also a talented pianist.
This sentence uses the correlative conjunction pair 'not only...but also' to connect two parallel noun phrases.
Neither the teacher nor the students were satisfied with the classroom change.
The correlative pair 'neither...nor' connects two subjects. The verb 'were' agrees with the closer subject 'students'.
As soon as the bell rang, the children rushed out of the classrooms.
'As soon as' is a subordinating conjunction of time, indicating immediate sequence. A comma separates the clauses.
No sooner had the plane landed than the passengers stood up.
'No sooner...than' is used here with subject-verb inversion ('had the plane landed') to show immediate succession.
You will not pass the examination unless you study consistently.
'Unless' is a subordinating conjunction meaning 'except if', introducing a conditional clause.
He took his umbrella so that he wouldn't get wet in the rain.
'So that' is a compound conjunction expressing purpose.
Although the team played exceptionally well, they lost the final match.
'Although' is a subordinating conjunction expressing concession, linking contrastive ideas.
We had hardly started our dinner when the doorbell rang.
'Hardly...when' shows that the doorbell rang immediately after dinner started.
5 common mistakes students make — and how to fix them
Although she worked hard, but she could not clear the exam.
Although she worked hard, she could not clear the exam.
No sooner did the thief see the police, then he ran away.
No sooner did the thief see the police than he ran away.
Scarcely had I reached the station than the train left.
Scarcely had I reached the station when the train left.
He is not only famous for his wisdom but also for his generosity.
He is famous not only for his wisdom but also for his generosity.
Run fast lest you will miss the train.
Run fast lest you should miss the train.
15 practice questions — fill-blank, MCQ, transform & more
Fill in the blank with the correct coordinating conjunction.
He wanted to buy a laptop, ______ he did not have enough money.
Fill in the blank with the correct correlative conjunction pair.
He can ______ speak French ______ German; he only speaks English.
Fill in the blank with the correct conjunction.
Make hay ______ the sun shines.
Fill in the blank with the correct relative conjunction.
No sooner did the bell ring ______ the students left.
Fill in the blank with the correct correlative partner.
Not only did he clean the house, ______ also cooked dinner.
Fill in the blank with when or than.
Hardly had the teacher entered the class ______ the students became silent.
Fill in the blank with the correct subordinating conjunction.
You cannot succeed ______ you work hard.
Fill in the blank.
Work hard lest you ______ fail in the examination.
Fill in the blank with the correct conjunction.
I did not go to school ______ I was sick.
Join the sentences using 'although'.
He is poor. He is honest.
Fill in the blank with so or because.
He was very tired, ______ he went to bed early.
Identify the type of conjunction highlighted.
She must *either* return the book *or* pay the fine.
Fill in the blank with as or like.
Do ______ I say, not ______ I do.
Rewrite the sentence to remove the double conjunction error.
Though he is rich, but he is not happy.
Fill in the blank with a relative conjunction of time.
We had scarcely finished dinner ______ the lights went out.
Which correlative conjunction pair fits best: '______ did he arrive ______ the lights went out.'?
10 key revision points for quick review before exams
Conjunctions link words, phrases, or clauses, establishing logical connections.
Coordinating conjunctions (FANBOYS) link elements of equal grammatical rank.
Subordinating conjunctions connect dependent clauses to independent main clauses.
Correlative conjunctions are pairs (either/or, neither/nor) and must connect parallel structures.
Never use double conjunctions like 'Although... but' or 'Because... so' in one sentence.
'No sooner' is paired with 'than'; it triggers subject-verb inversion (e.g., 'No sooner had I...').
'Hardly' and 'scarcely' are paired with 'when' (e.g., 'Hardly had I... when...').
'Lest' means 'for fear that', is followed by 'should' or subjunctive, and is already negative.
'Unless' means 'except if', introducing negative conditional clauses.
Punctuate: Use a comma after an introductory dependent clause before the main clause.
Frequently asked questions about Conjunctions