Question:
Find the mistake: They have been working here since they are very young.
Reference explanation:
Correct answer:
Knowledge: Simple past tense
Explain:
The verb in the “since” clause conjugates the past simple.
Combined tense: S + V-present perfect continuous + since + S + V-past simple
Edit: are => were
They have been working here since they were very young.
Choose C.
ADSENSE
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