条件句是英语中表达假设或条件关系的重要结构,常用于描述不同情境下的结果。以下是常见类型及用法:

1. 零条件(Zero Conditional)

用于表达普遍真理或习惯性动作
结构:If + 一般现在时,一般现在时
✅ 例句:If you heat water to 100°C, it boils.

Conditional Structure
🔗 [点击扩展学习条件句类型](/course/english/grammar/conditional_types)

2. 一条件(First Conditional)

用于表达可能实现的未来情况
结构:If + 一般现在时,一般将来时
✅ 例句:If it rains tomorrow, we will stay at home.

One Conditional

3. 二条件(Second Conditional)

用于表达假设的、不太可能实现的条件
结构:If + 一般过去时,would + 动词原形
✅ 例句:If I had more time, I would learn English every day.

Two Conditional

4. 三条件(Third Conditional)

用于表达对过去事实的假设,与结果相反
结构:If + 过去完成时,would have + 过去分词
✅ 例句:If she had studied harder, she would have passed the exam.

Three Conditional

📌 小贴士:条件句中,主句和从句的时态需保持一致逻辑关系。如需更多练习,可访问 条件句专项练习