Hi teachers!
I wonder if 'when' can be replaced by 'at which' in the sentence.
1. Delhi used to be at that time when I was a kid.
2. Delhi used to be at that time at which I was a kid.
As always, many many thanks teachers!
The main clause in incorrect in both sentences. I don't know what you mean. Perhaps something like this: Delhi used to be less polluted when I was a kid.
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The main clause in incorrect in both sentences. I don't know what you mean. Perhaps something like this: Delhi used to be less polluted when I was a kid. Or more simply: Delhi was less polluted when I was a kid.
CB