I'm an English learner from Japan. Could you allow me to throw my two cents worth to your question?
I learned in my English class (really long long time ago) that you English speakers use semicolons (;) to connect two independent complete sentences. And colons (:) are used as an indicator to show items that additionally explain the preceding phrase, like t
Not wrong, Paco. Your basic explanation is correct, except for 'phrase': it should be an independent clause to the left of the colon, although often the clause appears a bit incomplete without its explanation, definition, elucidation, or exemplification on the right.
The sentence in question is wrong (just) because of that: 'the rule is' has a subject and verb, but it does need a comp
taiwandave, I stand corrected. You are right, for I am sure I do use "it's" to represent "it has".
MM thank you for confirming that a complete phrase is required to the left of the colon. I wonder if there is some British English versus American English at play? Because this quote is taken from a book on punctuation, I would tend to think that editing process would be