Mineral resources can be defined as naturally [occurring/occurred] substances that can be extracted from the Earth and are useful as fuels and raw materials
Q. Which one is correct between 'occurring' and 'occurred' ? Why?
The -ing participle is active in meaning. The -en participle is passive in meaning. , is intransitive), it can't be used in the passive voice, so only the -ing participle is used.
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The -ing participle is active in meaning. The -en participle is passive in meaning.
If a verb can't take an object (i.e., is intransitive), it can't be used in the passive voice, so only the -ing participle is used.
You can say that mineral resources occur (active) in the earth, but you can't say that mineral resources are occurred (passive) in the earth. So those r