Correlative conjunctions always work in pairs and connect elements of equal grammatical value. This balance helps sentences sound clear, logical, and well-structured.
Correlative Conjunctions
These conjunctions express relationships such as addition, choice, contrast, or emphasis.
- Either the company invests in new technology or it risks falling behind competitors.
- Not only did the researcher collect the data, but she also analyzed the results carefully.
The most important rule with correlative conjunctions is parallel structure. The elements joined must follow the same grammatical pattern.
- Word + word: both theory and practice
- Phrase + phrase: either during the lecture or after the discussion
- Clause + clause: Not only did the manager approve the proposal, but he also allocated additional funding.
Correct: “Either the team meets the deadline or the project will be delayed.”
Incorrect: “Either the team meets the deadline or delaying the project.”
Correlative conjunctions can also appear in more complex sentences without breaking parallel structure.
- Not only did the company expand into new markets, but it also strengthened its brand reputation over time.
List of Correlative Conjunctions
These are some of the most common correlative conjunctions, followed by a fuller list for reference.
| Most Common Pairs | More Correlative Conjunction Pairs |
|---|---|
|
|
Common Examples
Either … Or
- Used to present two alternatives.
- Either you come with us to the party or you stay home.
Neither … Nor
- Used to indicate that both options are negative.
- Neither the CEO nor the board members agreed to the terms.
Not Only … But Also
- Used to add emphasis by highlighting two related qualities or actions (positive or negative).
- Not only is he careless, but he is also rude.
Both … And
- Used to include two elements together.
- Both the cat and the dog are sleeping on the couch.
- We both love to travel and enjoy exploring new places together.
Whether … Or
- Used to express a choice or uncertainty between two possibilities, especially in longer or more formal sentences.
- Whether you like it or not, we have to go to the dentist.
Last Updated on January 23, 2026
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