第42课 假设 只单纯的表示条件
条件状语从句，用 if 引导的条件状语从句为现在时，通常译作“如果.....”。
- If you get up early, you will catch up with train.
- If you ask him, he will help you.
- She will be upset if you fail the exam.
- If he runs, he will get there in time.
- The cat will scratch you, if you pull her tail or scrathes.
第43课 假设 与现在时是相反的虚拟语气
- 从句： 动词过去式 （Be 用 were）
主句： Would/ could/ should/ might + 动词原形
- If I were you, I would join you.
- She would come with you, if you invited her.
- If I knew his telphone number, I would tell you.
- If I had any money with me, I would lend you.
- If I were you, I would take an umbrella.
第44课 假设 与过去时是相反的虚拟语气
- 从句： had + 动词过去分词
主句： Would/ could/ should/ might + have + 动词过去分词
- If I had got there earlier, I should have met her.
- If he had taken my advice, he would not have made such a mistake.
- If he had studied harder, he might have passed the exam.
- If there had been a heavy snow. We should not have gone skating.
- If I had got there earlier, I would have met her.
第45课 假设 wish/ as if + 过去时/ 过去完成时
- I wish I were as tall as you. 一般过去时
- He wished he hadn't said that. 过去完成时
- I wished it would rain tomorrow.
as if 翻译为 “看起来好像...”
- You look as if you didn't care.
- He talks about Rome as if he had been there before.
- I wish I were as tall as you.
- He talks as if he knew where she was.
- I wish it would rain tomorrow.