i am worried about if we will arrive there on time改错

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i am worried about if we will arrive there on time改错

i am worried about if we will arrive there on time改错
i am worried about if we will arrive there on time改错

i am worried about if we will arrive there on time改错
if 改成whether

I wonder if we can arrive on time.
I am worried if we would arrive late.
I am worried whether we will arrive on time (or not).

应该是把 if 改成 whether 吧。