Hi, Let's say this is a definition of some word. Why the underlined part has not been hyphenated but has a comma? Is it because the word 'beating' is an adjective? So, if some word ending in 'ing' is a present or a past participle, the usual rule/case is to hyphenate if an adjective precede it and commonly use a comma if it is an adjective?
When it XXX (word), it makes a low, beating sound.
Top answer
low and beating are both adjectives modifying sound .
— Philip
low and beating are both adjectives modifying sound .
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