2024年中考英语复习学案 从句类型的判断---if

【从句类型的判断---if】 【讲解：if的判断】 A. 引导名词性从句 句子 从句类型判断 1. It is doubtful if (= whether) he will come. 2. It does not matter whether she will come or not. (whether ... or not) 3. I wonder if you will consider my application. 4. He asked if I had left with you, and I said no. 5. The problem is whether the money will be enough. 6. I have no idea whether the money will be enough. B. 引导状语从句 句子 时态判断 1. If we don’t stop climate change, many animals and plants in the world ________________(go). 2. If winter comes, can spring be far behind? 3. You won't get paid for time off unless you have a doctor's note. (unless= _________) 4. He will come if (he is) asked. (if 的省略结构) 5. The senior librarian at the circulation desk promised to get the book for me if only she could remember who last borrowed it. （if only “只要”） 6. He can continue to support himself and his family only if he produces a surplus. （only if “只有”） 7. The family is the essential presence--the thing that never leaves you, even if you find you have to leave it. 让步状从 8. If you heat water to 100'C, it boils. 9. If I were you, I wouldn't go there. （高中：虚拟语气） 10. She loves the boy as if she were his mother. （高中：虚拟语气） 方式状从 11. She looks as if she were ten years younger. （高中：虚拟语气） 表从 12. What if it rains tomorrow? (what if “假使……将会怎么样”) 【辨析】 A： if vs. whether (用whether而不用if的原因：________________) 主从 Whether the work can be completed on time is doubtful. It is doubtful whether/if the work can be completed on time. 句首用whether 宾从 I don’t care whether/if he comes or not. I don’t care whether or not he comes. It all depends on whether they will come back. (whether ... or not) 介词+whether 表从/同位语从句 The problem is whether the money will be enough. I have no idea whether the money will be enough. 表从/同位语从句只用whether whether+ to do I can’t decide whether to stay. B： 关于时态“主将从现” If it rains, I stay at home. 常态 “主将从现”的前提： ______________________________________________ If it r