1)The weather forecast was inaccurate ,so we didn't take the right precaution.
-Had the weather forecast not been inaccurate , we would have taken the right precaution.
2)You must speak slowly or he'll not be able to understand you.
-Unless you speak slowly ,he'll not be able to understand you.
3)Do as I tell or you 'll regret about it.
-Unless you do as I tell, you 'll regret about it.
6)Mary didn't work hard enough. She failed in her exams.
-If mary had worked hard enough,she wouldn't have failed in her exams.
7)But for his help , I would have gone bankrupt.
-If. he hadn't helped, I would have gone bankrupt.
8)We got lost because we didn't have a map.
-If we had had a map, we would not have got lost
9)You may get hungry on the train , so take some sandwiches.
-In case you get hungry on the train , take some sandwiches.
10)If there is an emergency, ring this number .
-In case of emergency, ring this number .
11)I'm having a lot of trouble now because I lost my passport last week.
-If i hadn't lost my passport last week, i wouldn't have a lot of trouble now
12)I only made that terrible mistake because I wasn't thinking.
-If I had been thinking, i wouldn't have made that terrible mistake
13)Your car might break down on the rough mountain road, so take plenty of spare parts.
-In case your car break down on the rough mountain road, take plenty of spare parts.
14)It was his incompetence which led to their capture.
-If he hadn't been incompetent, they wouldn't have been captured
15)I only bought the dog because my children wanted a pet.
-If my children hadn't wanted a pet, I wouldn't have bought the dog
16)Without this treatment, the patient would have died.
-If he hadn't been treated, the patient would have died.
17)In the event of nuclear wearpons being used ,we are doomed.
-If it should happen that nuclear weapons are used, we are all doomed.
18)Mr.Miller lost his job because he was late every day.
-If Mr.Miller hadn't been late everyday, he wouldn't have lost his job
19)If I had known she was sick , I would have visited her.
-Had i known she was sick , I would have visited her.
20)The only thing that prevented the passing of the bill was the death of the Prime Minister.
-Had it not been for the death of the Prime Minister, the bill would have passed
21)If ask me in advance , I'll be willing to work orvertime.
-Provided that you ask me in advance , I'll be willing to work orvertime.
22)You'd better not touch that switch.
-If I were you, i wouldn't touch that switch.
