1. A conjunction is a word that joins single words or groups of words.
Conjunctions
A conjunction is a word that joins single words or groups of words.

2. Conjunctions
A coordinating conjunction joins words or groups of words that have equal grammatical weight in a sentence.
And but or so nor for yet
Two and two are four.
The girls read and wrote.
She is good at algebra, but she is not good at arithmetic.
The bell rang, yet everyone remained seated.

3. Conjunctions
Correlative conjunctions work in pairs to join words or groups of words of equal weight in a sentence.
Both…and just as..so not only..but also
Either..or neither..nor whether..or
Both she and I were at home.
Either she or I can go.
Neither she nor I can go.
I met not only Jean but also Ed.

4. Conjunctions
A subordinating conjunction joins two clauses, or ideas, in such a way as to make one grammatically dependent on the other.
The idea, or clause, that a subordinating conjunction introduces is said to be “subordinate”, or dependent, because it cannot stand by itself as a complete sentence.

5. Subordinating Conjunctions
We raked the leaves because so many had fallen.
We raked the leaves before we had lunch.
When more leaves fall, we will rake again.

6. Conjunctions
A conjunctive adverb is used to clarify the relationship between clauses of equal weight in a sentence.

7. Conjunctions Conjunctive Adverbs
(Written with coordinating conjunction)
Most people think of deserts as very hot places, but desert nights can be quite cool.
(Written with conjunctive adverb)
Most people think of deserts as very hot places; however, desert nights can be quite cool.

8. Conjunctions Conjunctive Adverbs
To replace AND: also, besides, furthermore, moreover
To replace BUT: however, nevertheless, still, though
To state a RESULT: consequently, therefore, so, thus
To state EQUALITY: equally, likewise, similarly