F Grammar - can/could/to be able to
1 could outrun / was able to outrun
2 will be able to use
3 can do / could do
4 could call / was able to call
5 can still swim
6 Could ... help / Can ... help
7 can’t use / cannot use
8 couldn’t ... tell
9 When I was a kid I couldn’t draw anything properly.
10 When I am older I will able to get my driver’s license.