"In this sentence, I think "It" is an "anticipatory it" "It" is a dummy subject in that sentence. other examples... It is raining again.
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Debpriya De"It took me 3 hours to reach the airport."In this sentence, I think "It" is an "anticipatory it"
"It" is a dummy subject in that sentence.
other examples...
It is raining again.
It is too bad John couldn't be here.
'and it refers to "to reach the airport".So that means "to reach the airport" took me 3 hours.