Common Mistakes : Afraid
Afraid – Adjective
BAD: The road to the airport was very busy and we were afraid to miss the plane
GOOD: The road to the airport was very busy and we were afraid of missing the plane
be afraid to do sth = be unwilling to do something because you are frightened about what may happen: ‘She was afraid to eat it in case it was poisonous.’ Don’t be afraid to ask for help
be afraid of doing sth = be worried or anxious about something which might happen: ‘Most criminals are afraid of being caught.’ He says that he is afraid of losing his job