Run-Ons and Fragments

Gramatically Complete Sentences

  • Subject and a verb

  • Verb = action

  • Subject = noun 


Eg. I think. 

Eg. Rap expresses the frustrations of Blackamericans


Sentence Fragments 

  • All sentences should have a subject and predicate

  • If it lacks one of these it’s a sentence fragment

  • Ing problem

  • Which problem


Eg. Today was awesome. Learned a lot in class - who learned a lot in class?

Eg. Today was awesome. I learned a lot in class. - correct


How to Fix Sentence Fragments 

  1. Do NOT start a sentence with “which” 

  • 100% of the time it’s incorrect

  • If you do see the word which at the start of the sentence, place a comma 


Eg. I decided to eat sushi from McDonald’s last night. Which was a bad idea

Eg. I decided to eat sushi from McDonalds last night, which was a bad idea


  1. Watch out for sentences that start with -ing

  • If it starts with -ing it’s POSSIBLY wrong (80%)


Eg. I love being a chef. Making cookies, in particular is a fun activity - correct

Eg. Kendrick Lamar won the Pulitzer Prize in music in 2018 for his album DAMN. Making him the first rapper to ever receive this prestigious award - incorrect 


Run-on Sentence

  • Has multiple subjects and predicate pairs without proper punctuations in order to separate the two

  • Punctuation problem, not a length problem


Eg. ON the one hand, the modes of appearance of vernacular realities in the novel’s Anglophone discourse, signify attempts to variously harness linguistic, cultural, and social inequality and heterogeneity through “ethnicized” assimilation that gets recorded and reeproduced as linguistic diversity, in the interests of a global cultural system in which the regional Anglophone elite now wishes to participate on equal terms” (Mufti 172). 

  • Technically this is NOT a run on sentence because there is proper punctuation


Eg. Today was awesome I learned a lot in class - INCORRECT


Types of Run-On Sentences

  1. Comma Splices

  • Type of run on sentence

  • Used instead of a period to separate the run on sentences which IS NOT correct


How to Fix Run-On Sentences

  1. Add a comma and coordinating conjunction 

  • FANBOYS: For, And, Nor, But, Or, Yet, So

  • Choose the appropriate conjunction based on what you’re trying to say


Eg. Today was awwesome I learned a lot in class - INCORRECT

Eg. Today was awesome, for I learned a lot in class - CORRECT


  1. Add a subordinating conjunctions 

  • Because, whole. since, although

  • Turns a clause into an independent clause

  • Don’t need a comma, JUST the word 


Eg. Today was aweosme I learnred a lot in class - INCORRECT

Eg. Today was awesome because I learned a lot in class - CORRECT


  1. Add a semi-colon between the two clauses 

  • Separates TWO independent complete sentences

  • Much more specific and indicates a relationship unlike the semicolon


Eg. Today was awesome I learned a lot in class - INCORRECT whether there’s a comma or not 

Eg. Today was awesome; I learned a lot in class - CORRECT


  1. Add a colon between the two clauses 

  • Separates two sentences IF the sentence is an explanation/definition

  • Harder to use 


Eg. Today was awesome I learned a lot in class - INCORRECT

Eg. Today was awesome: I learned a lot in class - CORRECT


  1. Add a period between the two sentences - Easiest


Eg. Today was awesome I learned a lot in class - INCORRECT

Eg. Today was awesome. I learned a lot in class. -  CORRECT


  1. The word “however”

  • If this exists in the MIDDLE of your sentece, it’s probably a run on and needs to be fixed


Eg. Both rap and country music lyrics often outline violent practices or dangerous topics however, studies show that rap music is still perceived as more violent - INCORRECT

Eg. Both rap and country music lyrics often outline violent practices or dangerous topics; however, studies show that rap music is still eprceived as more violent - CORRECT

  • Can even do a period, it’s up to you


Note: Just because a sentence is super wordy, does not mean that you need to revise necessarily. Make sure you understand the difference between run-on sentences and merely length