Virtually all American style guides recommend to follow both “i.e.” and “e.g.” with a comma (just like if “that is” and “for example” were used instead), so the very same sentence in American English would become: They sell computer components, e.g., motherboards, graphic cards, CPUs.
Is a comma necessary after IE?
The abbreviations “i.e.” and “e.g.” are considered interrupting words within a sentence and require punctuation on both sides to indicate this. You must put a comma or a bracket (parentheses) before the abbreviation and a comma after.
Do you need a comma after IE UK?
They do all agree that a comma precedes i.e. when the i.e. phrase occurs in a running text (i.e., not enclosed in parenthesis). The consensus seems to be in favor of the comma in American usage; against it in British usage. The Penguin Writer's Manual (British) shows both i.e. and e.g. without a following comma.
Should I put a comma after EG?
E.g. and i.e. are both lowercase when they show up in the middle of a sentence (i.e., like this). Most American style guides recommend a period after both letters in both abbreviations. In general, you add a comma after e.g. and between each subsequent example if there is more than one item in your list.
More useful articles on a similar topic 👇
What is the correct punctuation when using IE?Is there a space between et al?
