5. 将条件隐含在某些连词(如or, or else, otherwise等)中：

I didn’t know that he was a cheat, or else I wouldn’t have believed him. 我不知道他是个骗子，不然我也不会相信他了。(or else=if I had known he was a cheat))

I’m really very busy, otherwise I would certainly go there with you. 我真的是太忙了，不然我就会同你一道去了。(otherwise=if I were not so busy))

6. 将条件隐含在定语从句中

Anyone who had seen that painting might have taken it for a photo. 凡是看过那画的人，都可能把它看成是照片。(=If anyone had seen that painting…)

7. 将条件隐含在一定的上下文中

Don’t bother to read all these papers. It would take too long. 不要费事看所有这些文件了，那会花太多时间。(=…If you read all these papers, it would take too long)