Is there difference between "grammar book" and "grammatical book"?
Also I wanna ask the same question for the word "intercourse", "sexual intercourse" and "sex intercourse" are they both correct?
We don't say "grammatical book" or "*** intercourse". This is a matter of learning the word combinations that are actually used. Not every combination of words has a meaning.
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We don't say "grammatical book" or "*** intercourse".
This is a matter of learning the word combinations that are actually used. Not every combination of words has a meaning.
CJ