【條件句文法解說】很多人對 if... then... 這樣子的條件句的文法有問題，所以我特別寫了以下的文章做解說：

https://www.chtoen.com/if-then-條件句文法解說

文章會回答以下每個句子的不同：

If you run, you breathe fast.

If you run, you will breathe fast.

If you had run, you would breathe fast.

If you had run, you would've breathed fast.

- 中英物語 ChToEn.com 有問必答