1, If I had a key, I could get in
2, If I had known you were busy, I wouldn't have disturb you
17, Were I not have to work tomorrow evening, I could meet you
18, Were I to know something about plumbing, I would have fixed the leak in the sink myself
19, Had Carol not been studying, she would have answered the phone
21, Should I need more money, go to the bank before six o'clock
22, Were I you, I wouldn't do that
24, Were I your teacher, I would insist you do better work
25, Should you change your mind, please let me know immediately
26, Had she been better prepared, she would have gotten the job
27, Should you need to reach me, I'll be at Hilton hotel in Seoul
28, Had I not talked to your mother, I wouldn't have known about your new job
29, Were she ever in trouble, I'd do anything I could to help her
30, Were they to agree, we could make rapid progress
31, Had they noy found new sponsors, the exhibition might have closed
32, Were I in your position, I would refuset to co-coperate
33, Should she grow signs of improvement, please inform the doctor imediately
34, Were the guest to arrive this week, there'd no rooms availble
35, Were the government to permit this, the oppsition would be mst indigant
37, Had it not been for my tutor's help, I couldn't have made such a good speech
