Conjunctions are used to connect two independent clauses. There are two kinds in Chapter 5. The first ones are called coordinating conjunctions. They join two independent clauses. The others are called subordinating conjunctions. Those turn an independent clause into a dependent adverb clause before joining it to another independent clause.
There are seven of these: and, but, or, so, yet, for, and nor. You only need to know the first four of these. They work like this.
I make lunch and dinner. My wife makes breakfast. (but)
I make lunch and dinner, but my wife makes breakfast.
I play the piano, and my wife sings,
I will find a new job, or I will move to a different city.
My wife is quiet in the morning, so I don't wake up early.
Notice that there is a comma after the first independent clause.
These turn one of the independent clauses into a dependent adverb clause before joining it to the other independent clause. The dependent clause can either come first or last. When the dependent clause comes first, it must be followed by a comma. If it comes second, it must not have a comma in front of it.
I washed the dishes. I went to bed. (before)
I washed the dishes before I went to bed.
Before I went to bed, I washed the dishes.
I washed the dishes because my wife was tired.
Because my wife was tired, I washed the dishes.
I left work as soon as my boss went home.
As soon as my boss went home, I left work.
You need to know how to use the five subordinating conjunctions from Chapter 5: because, before, after, as soon as, and when.
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