She...(can, is able to) swim really well because she used to live by the sea.
both options are correct.
You need to...(can, be able to) drive to live in the country.
be able to
Luke...(could, was able to) read when he was only three years old.
both options are correct.
If it doesn't rain tomorrow, we...(can, will be able to) go for a long walk.
will be able to
Sorry, I've been so busy that I haven't...(could, been able to) call until now.
been able to
If Sharon had a less demanding job, she...(could, would be able to) enjoy life more.
Both options are correct.
I've never...(could, been able to) dance well, but I'd love to learn.
been able to
We're really sorry we...(couldn't, weren't able to) come to your wedding.
Both options are correct.
I used to...(can, be able to) speak a bit of Polish, but I've forgotten most of it now.
be able to
(Can you, Will you be able to) make the dinner tonight?
Both options are correct.
To work for this company, you...(must can, must be able to) speak at list three languagues.
must be able to
I hate...(not can, not being able to) communicate with the local people when I'm travelling.
not being able to
