Grammar basics

Correlative conjunctions

A correlative conjunction comes in a pair, like both … and or either … or. The two parts work together.


The pairs

PairMeaningExample
both … andthe two things are trueBoth Tom and Sarah are here.
either … orone or the otherEither tea or coffee is fine.
neither … nornot this and not thatNeither Tom nor Sarah is here.
not only … but alsothis, and also thatShe is not only smart but also kind.
whether … orit doesn't matter whichWhether you win or lose, have fun.

Keep it balanced

Use the same kind of word after each part of the pair.

WrongRight
I like both coding and to write.I like both coding and writing.

Neither is already negative

Don't use not with neither … nor. Say I like neither tea nor coffee, not I don't like neither tea nor coffee.

Both … and

conjunction pair/boʊθ … ænd/ไทยทั้ง…และ…

Says that two things are true.

I speak both Thai and English.

Either … or

conjunction pair/ˈiːðər … ɔːr/ไทย…หรือ… (อย่างใดอย่างหนึ่ง)

Gives a choice between two things.

We can meet either today or tomorrow.

Neither … nor

conjunction pair/ˈniːðər … nɔːr/ไทยไม่ทั้ง…และ…

Says that two things are not true.

Neither my mom nor my dad speaks English.

Not only … but also

conjunction pair/nɑːt ˈoʊnli … bət ˈɔːlsoʊ/ไทยไม่เพียงแต่…แต่ยัง…

Adds a second idea that is even more interesting.

Python is not only easy but also powerful.

Whether … or

conjunction pair/ˈwɛðər … ɔːr/ไทยไม่ว่า…หรือ…

Says that it doesn't matter which one.

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Subordinating conjunctions