Comma With “Thus” – Rules, Examples & Practice Sheet

22.07.24 Commas Time to read: 7min

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Comma with thus-01

The correct use of commas in an academic paper is integral to remaining clear and structured while enabling an easier understanding. Because many students lack proper knowledge about comma rules, they often face difficulties with correctly using and applying them in academic writing. Consequently, this causes the emergence of impactful errors in sentence structure and meaning. This article aims to clarify the rules for using commas with “thus.”

When to place a comma with “thus”

To accurately apply commas with “thus,” understanding its meanings is crucial, as it typically references a preceding sentence element. “Thus” can function as a conjunctive adverb and translates to “consequently” or “therefore.” In this case, it works as a coordinating conjunction to connect two independent clauses, where it is preceded by a semicolon and followed by a comma. Essentially, a comma also follows “thus” when it introduces a sentence, however, this use is stylistic rather than obligatory. With the same meaning of “consequently,” when “thus” introduces a gerund or gerund phrase, it is typically preceded by a comma. Additionally, commas can bracket “thus” when it interrupts an independent clause, causing a pronounced pause.

Notably, “thus” is deemed formal and may not always require a comma, especially when it takes on the meaning of “in this way,” or is placed mid-sentence between compound verbs without necessitating a pause. The choice between using a comma for weak vs. strong breaks hinges on the desired emphasis or clarity, underscoring the nuanced role of “thus” in academic writing.

Comma

Functions as a conjunctive adverb

Introduces a sentence

Introduces a gerund

Causes a pronounced pause

No comma

Translates to “in this way”

Placed between compound verbs

Causes a weak pause

 

Comma rules may vary depending on different Style Guides. In general, it is to be considered whether the sentence is easily understood without the usage of a comma.

Comma with “thus”

A comma with “thus” is used if it introduces a sentence, functions as a conjunctive adverb between two independent clauses, introduces a gerund, or indicates a strong break in a formal register.

Functions as a conjunctive adverb

A comma with “thus” is used when it functions as a conjunctive adverb, placed between two independent clauses. A conjunctive adverb is a coordinating conjunction like “and” or “but” and aims to join two independent clauses. In this case, the first independent clause is concluded with a semicolon to separate the two independent clauses and followed by “thus,” acting as the link between the two clauses. A comma follows “thus” to clarify the separation. By using a comma and a semicolon in the process, you create a cause-and-effect relationship between the two independent sentences and enhance clarity.

Examples

  • She missed the train; thus, she was late.
  • Mall prepared the test carefully; thus, every student passed.
  • He cheated on her; thus, she left him without hesitation.

Introduces a sentence

When “thus” is placed at the beginning of a sentence to introduce it, a comma follows “thus,” as it takes on the function of an adverb, modifying elements of or the entire sentence. There is no strict punctuation rule, therefore, we advise you to follow the specifics of the Style Guide you chose to follow. Generally, it is recommended to place a comma for clarity.

Examples

  • Thus, the team realized the importance of innovation.
  • Thus, Maria left her hometown and started a new life.
  • Thus, the teacher made it possible for anyone to pass the test.

Introduces a gerund

A comma with “thus” is typically used when it introduces a gerund or gerund phrase. When “thus” translates to the meaning of “thereby” or “consequently,” a comma before the word is necessary to indicate the separation between the previous sentence element and the link between “thus” and the gerund.

Examples

  • She did her last move, thus ending the battle.
  • Marc pulled the trigger, thus wounding him fatally.
  • Sabrina has a perfect pitch, thus resulting in her hitting every note.

Causes a pronounced pause

In sentence structure, you can distinguish between “strong” and “weak” breaks referring to the stress and emphasis put on different words or elements in a sentence. Differentiating between these types of breaks plays a vital role due to their ability to change the delivery and meaning of a sentence. When “thus” functions as a pronounced pause, it provides a great emphasis to the flow of the whole sentence. When this can be categorized as a proper interruption, commas are needed around “thus.”

Examples

  • He saved money carefully, thus, enabling him to buy a big house.
  • John was late for the meeting, thus, missing important topics.
  • He quit smoking and drinking, thus, reducing the risk of cancer.

No comma with “thus”

You don’t need to use a comma with “thus” when it conveys the meaning of “like this” or “in this way.” Another case where a comma is not necessary is when it appears between compound verbs or merely causes a weak break within a sentence.

Translates to “in this way”

When “thus” can be used as a synonym for “like this” or “in this way,” comma around “thus” should be omitted.

Examples

  • You can solve the equation and thus ensure no steps are missed.
  • She organized her notes and thus made study sessions more efficient.
  • By adjusting the lens thus you’ll get a clearer image.

Placed between compound verbs

Compound verbs consist of multiple words, creating a verb with a single meaning. When “thus” is placed between compound verbs, it serves to connect or modify the actions described by those verbs, often indicating the manner or consequence of the actions without the need for a comma.

Examples

  • She worked hard and thus performed well in the test unsurprisingly.
  • Both teams needed to work effectively and thus double-check their schedules.
  • Max didn’t eat this morning and was thus starving during the meeting.

Causes a weak pause

As previously explained, there is a stress and emphasis related distinction between a strong vs. a weak break in a sentence. When “thus” causes a weak break, meaning that it does not emphasize a certain meaning, a comma is not required.

Examples

  • She practiced daily and thus improved her skills significantly.
  • The company revised its strategy thus increasing its market share.
  • He studies the manual thoroughly thus ensuring he knew the process.

Test yourself!

Practice sheet

To check your understanding, you can take this test to see whether you can correctly place a comma with “thus.” The correct answers can be found in the second tab.

  1. Thus she made it out of her situation.
  2. She practiced hard thus gradually improving her driving.
  3. Sue was exhausted and thus driving she had an accident.
  4. Joe heard rumors and thus knowing them she he didn’t believe her.
  5. Thus Marc moved to Spain.
  6. He missed the train thus he couldn’t come.
  7. She quit carbs, alcohol and thus lost 20 pounds.
  8. Time is valuable thus we shall use it wisely.
  9. Thus Susan continued to work there.
  10. Sabrina learned to cook last year and is thus preparing dinner every day.
  1. Thus, she made it out of her situation. (Comma)
  2. She practiced hard thus gradually improving her driving. (No Comma)
  3. Sue was exhausted and thus driving she had an accident. (Comma)
  4. Joe heard rumors and thus knowing them she he didn’t believe her. (No Comma)
  5. Thus, Marc moved to Spain. (Comma)
  6. He missed the bus; thus, he couldn’t come. (Comma)
  7. She quit carbs, alcohol, and thus, lost 20 pounds. (Comma)
  8. Time is valuable; thus, we shall use it wisely. (Comma)
  9. Thus, Susan continued to work there. (Comma)
  10. Sabrina learned how to cook last year and is thus preparing dinner every day. (No Comma)
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FAQs

“Thus” can mean “consequently,” “like this,” or in “in this way.” Generally, “thus” refers to a previously mentioned aspect in a sentence.

Example: Marc studied law. Thus, he is well informed about rules.

In most cases, “thus” is separated from the rest of the sentence by commas. Especially, when it acts as a conjunctive adverb, introduces a sentence or gerund, and when it causes a strong interruption to the flow of the sentence.

When “thus” acts as a conjunctive adverb like “then,” “however,” therefore,” or “accordingly,” it is precede by a semicolon and followed by a comma.


From

Salome Stolle

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Salome Stolle works as the brand manager for the English market at BachelorPrint. Throughout her 12-year residency in Denmark, she completed her International baccalaureate and Master’s in Culture, Communication, and Globalization with a specialization in media and market consumption. Through this experience, she has gained advanced competencies in academic writing and a high proficiency level in the English language. With her passion for writing, she does not only deliver well-written content but also strives to adjust to the students’ demands.

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