条件状语从句

* We'll start our project if the president agrees. 如果总统同意的话，我们就会开展我们的项目。
* I'll do it better if the teacher gives me another chance.如果老师再给我一次机会，我会做得更好。
* Don't leave the building unless I tell you to. 除非我叫你，否则不要离开这栋楼房。
* You can't get a job unless you've got experience.除非你有经验，要不你找不到工作。
* The students will go to the Summer Palace, as long as it doesn't rain tomorrow. 只要明天不下雨，这些学生就去颐和园。
* So long as you help me, I shall never give up. 只要有你帮助我，我就决不会放弃。

【高中以上】
* Supposing (that) there is no pure water; what shall we drink? 假如没有纯净的水，人们喝什么？
* Suppose you lost your job tomorrow, what would you do? 假定你明天失业，你怎么办？
* Providing I get good marks, I'll go! 只要我成绩好，我就去。
* Provided (that) there is no position, we shall hold the meeting there. 如果没有位置的话，我们就应该在那边开会。
* Even if you take a taxi, you'll still miss your train. 就算你坐出租车，还是会错过火车。
* In case I forget, please remind me. 万一我忘记，请提醒我。
* I'll do it on condition that you pay for everything. 我可以做这件事，条件是你得付一切费用。
* Granted that you are correct, you may find it hard to prove your point. 就算你对，可你要论证这一点并非易事。
* I'm going, whether she likes it or not. 不管她喜不喜欢，我都要走了。
* Were it not for the expense, I would go to Italy. 要不是花费太大的话，我就去意大利了。
* Should she fall, then so would I. 如果她跌倒了，我也会跌倒的。
* Had it not been for your help, I might have got lost in the mountains.要不是你得帮助的话，我可能在山里迷路了。