虚拟语气（ Subjunctive Mood）1. if （条件状语从句）从句谓语（ if ）主句谓语形式例句与现在事实相反did/were would/could/should/might+do If I were you,I should study English. 与过去事实相反had done would/could/should/might+have done If you had taken my advice,you wouldn’t have failed in the exam. 与将来事实相反①did ②should do ③were to do would/could/should/might+do If it were to rain tomorrow, the meeting would be put off. 主、从句时间不一致，动词形式要根据它所表示的时间来调整。eg. ：If I had worked hard at school,I would be an engineer,too.“were,had,should + 主语”放句首（否定词not 不能放前面）。eg.: ①Were I in school again，I would work harder. ②Had you been here earlier,you would have seen him. ③Should there be a meeting tomorrow,I would come. 注意： Were it not for the expense,I would go to Italy.(√） Weren’t it for the expense,I would go to Italy.(×）常用词：①介词：with,without,but for( 要不是，如果没有）；②连词： or,but；③副词： otherwise. eg.: ①Without air, there would be no living things. ②But for your help,I couldn ’ t have finished it in advance. ③I was ill that day.Otherwise,I would had taken part in the sports meeting.=If I hadn’t been ill that day,I would had... 2. wish （宾语从句） /if only( 要是⋯⋯就好了）从句谓语形式例句①I wish it were spring all the year round.②If only I were a bird! 与过去事实相反had done ①Jack drove fast and was in an accident. He said, “ I wish I had driven more carefully!”. ②If only I had taken his advice. would/could/might do I wish you could go with us tomorrow. 3. would rather+ 从句（ 表示宁愿某人在现在或将来要做某事或过去做过某事）从句谓语形式例句与现在或将来事实相反did/were I would rather you came tomorrow. 与过去事实相反had done I ’d rather you hadn’t been present.条 ...
