A connecting word helps you understand how ideas are linked. These words need to be used correctly and have correct punctuation. This section provides some basic guidelines that should help you avoid making common sentence punctuation errors. Punctuation rules can sometimes be broken. However, it is better for you to use these guidelines until you become more familiar with punctuation possibilities.
The six coordinating conjunctions are "for", "and", "nor", "but", "or", "yet", and "so". Remember the "FANBOYS" acronym to help you remember them! However, "for" and "nor" are not commonly used in modern English.
Clause | Coordinator | Clause |
Chris decided to transfer to UBC | , and | John decided to apply to SFU. |
You will notice in the examples that you do not always need to include a comma. With the connectors "and" and “or”, if clauses are short and closely related (such as cause and effect), then commas are not generally used. The best way to decide if a comma is needed with “and” and “or” is to decide if there is a clear pause when you read the sentence out loud. However, the other connectors should almost always have commas before them if they separate two clauses.*
Examples:
Note: It is important to know that “and” and “or” are also frequently used to join words and phrases in lists that are not complete clauses. The punctuation rules for making lists are different than for joining clauses.
Exercise 1: Combine the following groups of sentences into longer sentences by using the FANBOYS coordinating conjunctions. Use correct punctuation.
Exercise 1 Answers:
Exercise 2: Add correct punctuation (periods and commas) to the following paragraph.
Mark loves to travel but Amy doesn’t so they often argue about where to spend their vacation time one summer they decided to try something different Mark went to Thailand but Amy stayed home Mark’s brother, Alex, and sister-in-law, Jennifer, went with him they knew that they could only spend one week in Thailand so they had to decide what to do they could all go scuba diving in Southern Thailand or Mark could go by himself on an elephant trek in Northern Thailand and Alex and Jennifer could meet him later in Bangkok Mark chose the elephant trek and he had an exciting time Amy was also having a good time back home sometimes she went out with her friends at night and sometimes her mother would visit her during the day she also liked to spend time by herself practicing her piano Mark and Amy learned that they could spent their vacations separately yet they both could have a good time
Exercise 2 Answers:
Mark loves to travel, but Amy doesn’t, so they often argue about where to spend their vacation time. One summer, they decided to try something different. Mark went to Thailand, but Amy stayed home. Mark’s brother, Alex, and sister-in-law, Jennifer, went with him. They knew that they could only spend one week in Thailand, so they had to decide what to do. They could all go scuba diving in Southern Thailand, or Mark could go by himself on an elephant trek in Northern Thailand, and Alex and Jennifer could meet him later in Bangkok. Mark chose the elephant trek, and he had an exciting time. Amy was also having a good time back home. Sometimes she went out with her friends at night, and sometimes her mother would visit her during the day. She also liked to spend time by herself practicing her piano. Mark and Amy learned that they could spent their vacations separately, yet they both could have a good time.
There are two important differences between subordinators and most other connectors:
1) when you put a subordinator between two clauses to connect them, you should not use any punctuation.
2) when you put the subordinator at the beginning of a clause to introduce the main clause, you need to put a comma between the two clauses.
Examples:
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Exercise: Join the following ideas using the suggested subordinators.
1) Because - BC has a strong service industry / it is a favourite destination for tourists
2) Even though - my car is old and rusty / it takes me where I want to go
Exercise Answers:
1) Because
2) Even though
Here are some common conjunctive adverbs:
However | Therefore | In fact | On the other hand |
Nonetheless | Besides | Instead | Then |
Moreover | Similarly | Furthermore | Still |
Examples:
Notice that the transition word “therefore” can have either a semi-colon or a period before it, but that it also has a comma after it. Transition words almost always have punctuation both before and after them.
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Because so many transition words and phrases exist, only frequently used transition words and phrases are listed in this lib guide (check out the "connectors" tab for a more detailed explanation).
Some, but not all, transitions can be moved to other places in a sentence; however, the punctuation rules change when you move the transition.
Compare the following examples:
The rule is simple. If you place the transition somewhere in the middle of a clause rather than at the beginning of the clause, you still need to include punctuation on both sides of it (a comma in front of it and after it).
Exercise 1: Use transitions from the list above to combine the following groups of ideas. Use correct punctuation.
Exercise 1 Answers:
Exercise 2: Rewrite the following sentences by moving each transition several words later in the second clause to a place where the transition still sounds good. Make sure you change the punctuation as well.
Exercise 2 Answers:
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