Sometimes I don't know _ or not it would be a good idea to say something.

Have you decided to do a course in psychotherapy? I hope you'll let me know. ------- If...

Please read this book _ you won't know what I'm talking about.

Susie _____ changed the topic of conversation if she didn't like it.

Without her insight into his problems, he _____ got better so fast.

The other students helped me to understand the problem. ----- If it hadn't been for...

I'll give you my honest opinion on _ that you don't get angry.

Were _______ disagree with their advice, what would their reaction be?

Sally was so self-confident that when other people criticised her, it was like water off a duck's back. ----- Even if...

If it _____ (rain), we could go and play tennis.

_____ any later, we would have missed meeting the author. (inversion)

Thanks for signing up for today's workshop! _ that everyone here is interested in improving their speaking skills, let's start off with a few practical exercises.

Jan won't forgive me _ I apologise, something I'm not prepared to do.