①If you were head of the government, would you allow cloning?
②If we hadn't made adequate preparations, the conference wouldn't have been so wonderful.
③If it were to rain/should rain/rained, the crops would be saved.
④Had I worked hard, I would have surely succeeded.
⑤Were she my daughter, I wouldn't allow her to study abroad.
⑥Should I have time, I would call on her.
⑦If they had started early yesterday morning, they would be here now.
⑧If we hadn't made adequate preparations, we shouldn't dare to do the experiment next week.
⑨But for your help, we couldn't have succeeded.
⑩She wasn't feeling well. Otherwise she wouldn't have left the meeting so early.