动词之虚拟语气是指当if条件从句内容不可能实现时.pdfVIP

• 1.If从句表达的意思和现在情况相反或目前不可能实现 • If+were/did , S +would/could/should+v. 如： If I had time, I would go now. If I were a bird, I would fly. 注意：would 可换成：might could should • 2.If从句表达的意思与过去事实相反 • If+had done , S+would have done 从现在的角度对已经发生的事情发出感叹、表达后悔。 如果当初怎么样，那么现在就怎么样了。 如： If you had come here earlier, we would have finished the work now. 没有早来，没有完成。 • 3.If从句表达的意思与将来事实很可能相反或将来实现的 可能性很小 • If +were to do/did/should , S +would do 如： 1. If I should win a lottery of 10 million dollars, I would buy you a big house. 2. If I should have time tomorrow, I would go with you. • 虚拟倒装句 • 在if条件句中含有should，had，were时，常常会把if省 去，并将should，had，were放在句首 （其余部分顺序 不变）。 如： If I were you, I would go.等同于 Were I you, I would go. The bus would not have had to take(A) the long detour instead of （B）the main highway if the bridge did not e (C)treacherous in the aftermath of (D)an ice storm. No error(E) 08年01月 • Had (A) I known that we would be (B) walking the fifteen (C) blocks from the movie theater to the restaurant, I would of (D) worn more comfortable shoes. No error (E) 08年01月 • Were they to be told the purpose of the study, the participants might find it difficult to answer the questions spontaneously. • (A) Were they to be told • (B) If they would have been told • (C) With it being told them • (D) ling them • (E) By ling them 12年05月 • If there had been a power failure, the hospital will run on electricity from its own generators, which can operate for 200 hours • (A) If there had been • (B) If there were • (C) Had there been • (D) Should there be • (E) There has been 08年10月 • require, request, suggest, command +that …(should)… • I request tha