a) If you….(hadn't been) so slow, I'd have caught the bus! Because I didn't catch it yesterday and I will have to wait another day for the next one!
b) 'd help) you if you …(had told) me you need help! Do you expect me to read your mind?
c) If she ..(had finished) her studies 4 years ago, she… (could be) a doctor now. What a waste of talent!
d) Would he win this game now if he…(had practised) more last year?
e) If you…( hadn't left ) the umbrella, we…(wouldn't be getting) soaked now!