They felt quite certain …. their failure.
a) of
b) about
I think, the two answers are possible here.
My questions:
1) Are the two prepositions always interchangeable?
2) Which one is more often used?
Thank you..
certain of/about
Moderator: Alan
-
- Rising Star
- Posts: 140
- Joined: Sat Jan 15, 2011 12:34 pm
- Status: Learner of English
- Alan
- Teacher/Moderator
- Posts: 15254
- Joined: Mon Dec 29, 2003 7:56 pm
- Status: Teacher of English
- Location: Japan
Re: certain of/about
Your example is strange with either!