There should not be a comma in the sentence. The sentence has a compound verb arrived and started. By definition, a clause has a subject and a verb.
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rambharoseyIn the following sentence:
He arrived in the school , and started teaching.
I have two questions:
1. Is 'started teaching' a phrase or a clause (can it be interpreted as 'he started teaching')?
2. Is a comma required before 'and' in the above case.