3.在正式英语文体中,i从句中的第 个动词如果是 should,were或 had,可将此动词置于句首,替代 if.例如:
3. 在正式英语文体中, if 从句中的第 一个动词如果是should, were 或 had, 可将此动词置于句首, 替代 if．例如：
Were it all true. it would still not excuse their actions。 Had the captain been more careful. his ship would not have sunk. Should any visitors come, I would say you are not here
◼ Were it all true, it would still not excuse their actions. ◼ Had the captain been more careful, his ship would not have sunk. ◼ Should any visitors come, I would say you are not here
4 if only和 suppose( supposing),也可 以引导虚拟从句 If only I had more time, I could go there to help them. Supposing it were fine tomorrow, would you go climbing the mountain with us?
4. if only 和 suppose (supposing), 也可 以引导虚拟从句． ◼ If only I had more time, I could go there to help them. ◼ Supposing it were fine tomorrow, would you go climbing the mountain with us?
5. If it were not/ had not been for . th 是常见的虚拟句型,意思是“要不 是.例如: If it had not been for your help, we would not have achieved so much in our work If it were not for the wise decision we could not be living a happy life
5. If it were not / had not been for… 也 是常见的虚拟句型, 意思是“要不 是……” 例如: ◼ If it had not been for your help, we would not have achieved so much in our work. ◼ If it were not for the wise decision, we could not be living a happy life