As an example, first jumped to my head:
- "free of charge"
Charge is countable noun
- free of cost, no cost
- free of fat, no fat
'free of' and 'no' hold the same structural position; they determine the noun they modify, just like 'a/an'. Pick one, not both. If you change them into adjectives, then a determiner is required:
- free of cost
- the/a free-of-cost subscription
- the/a no-cost subscription
- free of fat
- the/a free-of-fat diet
- the/a no-fat diet
Thanks a lot,
but I still did not grasp about articles after "of" and before a noun...
Should the word "interaction" be always preceded by an article in the phrase:
"... a new concept of interaction between your website visitors and the CAPTCHA..."?