When I mention a past event, can I use ‘could’ like (a)?
(a) Since we made great efforts, we could make great improvements in ....
Or should I say like (b) or (c)?
(b) ... we made great improvements in ...
(c) ... we were able to make great improvements in ...
I ask this because I think ‘could’ is often used to say something about the present or the future.
Koji from Japan When I mention a past event, can I use ‘could’ like (a)? (a) Since we made great efforts, we could make great improvements in .... Or should I say like (b) or (c)?
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Koji from JapanWhen I mention a past event, can I use ‘could’ like (a)?
(a) Since we made great efforts, we could make great improvements in ....
Or should I say like (b) or (c)?
(b) ... we made great improvements in ...
(c) ... we were able to make great improvements in ...
I ask this because I think ‘could’ is often u