If the rules of perspective had not been
• If the rules of perspective had not been discovered, no one would have been able to paint such realistic pictures. • 如果没有�� 透� 法, 人� 就不能画出如此 逼真的画 。 • If I were you, I would try my best to grasp the chance. • 如果我是你的� ,我会尽力抓住� 次机会。
与现在事实相反的虚拟条件句 If + 主语 + did/were, 主语 + would/should/could/might + 动词原形 For example: • If he were free, he would help us. • 要是他有空的� ,他会帮我� 的。 • If I had one million dollars, I would travel all over the world. • 如果我有一百万美元,我会� 游世界。
与过去事实相反的虚拟条件句 If + 主语 + had done, 主语 + could/would/should/might have done For example: • If her mother had taken the doctor’s advice, she might have got well earlier. • 如果她母� 当� 遵照医嘱,她可能会早点康复的。 • if you had come ten minutes earlier, you would have seen the film actress. • 你要是早来 10分� ,你就能� 到那位� 影女明星 了。
与将来事实相反的虚拟条件句 If + 主语 + did (were to / should do), 主语+ would/should/could/might do For example: • If she were to be here next Monday, I would tell her about the matter. • 如果她下周一来� 儿的� ,我就会告� 她事情的 始末。 • If he should go to Qing Hua University, he would make full use of his time. • 如果他要上清� 大学的� ,他就会充分利 用他的�� 了。
Some students are discussing about what would they do if they could be somebody or do anything. Please complete the sentences with the correct form of the verbs in the brackets. Sally: Did you see that movie yesterday? Ethan Hunt is so cool! Mike: I can’t agree more. I wish I _____(be) Ethan Hunt! Jason: If I _____(be) an agent of MIF, I _____ (complete) many impossible missions and become famous. Evan: If I _____(be) good at computer, I _____ (build) intelligence network(情报网) and help you get the information. Mike: If I _____(be) an agent of MIF, I _____ (have) the chance to travel to many countries. Sally: That would be a great chance to go sightseeing. Jason: If you _____(be) an agent, you _____(go) to many countries with missions, how could you enjoy the view well. Sally: En. . . That’s true. What a pity.
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