It’s too bad it’s raining! If it ___ (rain), we ____ (can) go for a picnic.
wouldn't be raining/couldn't
weren't raining/ could
hadn't been raining/could
I’m glad I have so many good friends. Life without friends ___ (be) really boring.
is being
is
would be
will be
Are you coming to the party? I don’t think so, but I (let) you know if I change my mind.
will let
wouldn't let
would let
let
Jack proposed to Jane 20 years ago but she refused. Now she is still single.
Jane would have accepted Jack's proposal.
Jane might not be single, if she had not accepted Jack.
If Jane had accepted Jack's proposal, she wouldn't be single
