下面三句中的条件都是“天气转好 the weather improves”，哪一句是有可能的（第一条件句），哪一句是不太可能的（第二条件句），哪一句是完全不可能的（第三条件句）？
improve 改进，改善 = get better
① If the weather improves, we'll go for a walk.
② If the weather improved, we could go for a walk.
③ If the weather had improved, we could have gone for a walk.
.
.
.
① If the weather improves, we'll go for a walk.
如果天气转好，我们就去散步。（天气有可能会好转。第一条件句）
② If the weather improved, we could go for a walk.
如果天气转好，我们可以去散步。（天气不太可能好转。第二条件句）
③ If the weather had improved, we could have gone for a walk.
如果天气变好，我们本可以去散步的。（天气没有好转，天气好转是不可能的假设条件。第三条件句）
总结：
第一条件句 有可能
If + 一般现在时，+ will/would/can/could/may/might/should
第二条件句 不太可能
If + 一般过去时，+ would/could/might/should
第三条件句 不可能
If + 过去完成时，+ would/might/could + have done
0条件句 当事情总是这样
If you heat ice, it melts. 如果你加热冰，冰就会融化。
If + 一般现在时，+ 一般现在时
If 可以用 when 替换。
Odie的英语课暂时播到这里，主播要去休息一下。感谢大家这三年的收听，请继续学习，不断进步！(\(^o^)/)
3 Feb 2023
Odie的英语课 986 Grammar | Conditional sentences 5
The third conditional
第三条件句
第三条件句中 if 从句中的内容是没有发生的，所以主句里的内容也是不可能发生的。
比如我没有复习，考试没及格。如果我复习了，我考试就会及格了。
常使用第三条件句想象一个（和已经发生的现实）不同的结果。
[从句] If + 过去完成时（had done），[主句] + would，might，could + have done
revise 动词，复习（过去分词 revised）
pass my exam 通过考试
If I had revised, I would have passed my exam.
如果我复习了，我就会通过考试的。
* 我没有复习，考试没有及格。
If I had played better, I would have won.
如果我打得更好，我就会赢的。
win 获胜，赢（过去分词 won）
* 我打得不好，没有赢。(I didn’t play well and I didn’t win.)
If we had gone out earlier, we might have got to the cinema on time.
如果我们早点出去（出门），我们本可以准时到电影院的。
go out earlier 早一点出去（go 的过去分词 gone）
get to the cinema 到电影院
on time 准时
2 Feb 2023
Odie的英语课 985 Grammar | Conditional sentences 4
The second conditional
第二条件句
在第二条件句中，if 从句中的内容是不太可能发生的。
[从句] If + 过去时态，[主句] + would，could，might 或 should
pay rise 加薪，涨工资（美语 pay raise）
If I got a pay rise, I would buy a new car.
如果我加薪，我会买一辆新车。
* 我不太可能加薪。这是第二条件句，
如果我很有可能加薪，就说 If I get a pay rise, I will buy a new car. 第一条件句。
If you left your job, you could travel around the world.
如果你辞职，你可以周游世界。
leave your job 辞职
* 你不太可能会辞职。
If I was the president, I would change some laws.
如果我是总统，我会修改一些法律。
* 我知道我不会成为总统，这是假设，我在总统的位置上会怎么样。
关于“如果我是……” 美国英语会说“if I were...”，英国英语是更常说“if I was...”
Contact Odie的英语课
Guest appearances
Does not typically book guests
Based on episode analysis; this does not confirm that the show is currently accepting guests.
Host of Odie的英语课?
Claim your podcast to manage its listing and keep your show details accurate.
Pod Engine is an independent podcast discovery and analytics service and is not affiliated with or endorsed by this podcast. Artwork and show content belong to their owners. Full legal notice.
Explore this show Podcast research with Pod Engine
