2) I was worried about finding a job quickly. <-- this is correct and more natural
2020年4月19日
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I was worred if ..... more common
2020年4月19日
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Neither is correct.
It should be "I was worried about whether or not I would find a job quickly"
2020年4月19日
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2 is better. I come from America and we are tend to use the most concise ways of saying things.
or... „I was worried if I could find a job quickly.“
#2 is still more natural
Hope this helps,
Kelli