have done anything

britfan

Junior Member
Joined
Jan 31, 2017
Member Type
Student or Learner
Native Language
German
Home Country
Germany
Current Location
Germany
Please have a look at my sentences. Thanks.
a. I couldn't have done anything about it.
b. I couldn't have done anything against it.
 

Rover_KE

Moderator
Staff member
Joined
Jun 20, 2010
Member Type
Retired English Teacher
Native Language
English
Home Country
England
Current Location
England
a is fine.

In what context would you use b?
 
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