LanguageTool Community

<< return to list of rules

Rule "comma between independent clauses"

This is one of many errors that LanguageTool can detect. Visit the LanguageTool homepage to use it online or download it for free.

Description: comma between independent clauses
Message: Use a comma before '\5' if it connects two independent clauses (unless they are closely connected and short).
Category: Punctuation (ID: PUNCTUATION)
Link: https://languagetool.org/insights/post/types-of-sentences/#compound-sentence
Incorrect sentences
that this rule can detect:
  • My friends are in Washington but I am in Seattle.
    Correction suggestion: , but
  • I quite liked it although I’m not quite sure why yet.
    Correction suggestion: , although
  • EPRM 2001 will be held in Houston on the 14th, 15th & 16th of May and I am keen to start the initial research as soon as possible.
    Correction suggestion: , and
  • I have conducted a search on Amazon.com, Britannica.com and Dow Jones and I am coming up empty handed.
    Correction suggestion: , and
Correct sentences
for comparison:
  • Since my home is secure and I’m white, I did nothing.
  • What I am finding a bit strange is that although I am following some topics, I do not get all the messages in my stream with those topics tagged.
  • Not only you but also I am in the wrong.
  • Chris, Just so I'm clear....
  • In fact Audrey and I am visiting BCCK this Friday to be sure we are not leaving anything else on the table which Enron could capture.
  • Not only you but also I am in the wrong.
  • He wasn’t invited to the party and I wasn’t either.
  • He was invited to the party and I was too.
  • They hugged even although they just had a big fight.
  • The customer jumps from topic to topic so often it becomes confusing
Pattern: Show XML · Show in Rule Editor
Check the following text against just this rule:

ID: COMMA_COMPOUND_SENTENCE [4]
Version: 6.5-SNAPSHOT (2024-04-19 22:33:07 +0200)